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Freescale Semiconductor KKL02Z32CAF4R, Reference Manual

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Freescale Semiconductor KKL02Z32CAF4R Reference Manual Download Page 287

Chapter 22

Oscillator (OSC)

22.1 Introduction

NOTE

For the chip-specific implementation details of this module's
instances, see the chip configuration information.

The OSC module is a crystal oscillator. The module, in conjunction with an external
crystal or resonator, generates a reference clock for the MCU.

22.2 Features and Modes

Key features of the module are:

• Supports 32 kHz crystals (Low Range mode)

• Voltage and frequency filtering to guarantee clock frequency and stability

• Optionally external input bypass clock from EXTAL signal directly

• One clock for MCU clock system

• Two clocks for on-chip peripherals that can work in Stop modes

Functional Description

 describes the module's operation in more detail.

KL02 Sub-Family Reference Manual, Rev. 2.1, July 2013

Freescale Semiconductor, Inc.

287

Summary of Contents for KKL02Z32CAF4R

Page 1: ...KL02 Sub Family Reference Manual Supports MKL02Z32CAF4R and KKL02Z32CAF4R Document Number KL02P20M48SF0RM Rev 2 1 July 2013...

Page 2: ...KL02 Sub Family Reference Manual Rev 2 1 July 2013 2 Freescale Semiconductor Inc...

Page 3: ...family introduction 30 2 4 Module functional categories 31 2 4 1 ARM Cortex M0 core modules 32 2 4 2 System modules 32 2 4 3 Memories and memory interfaces 33 2 4 4 Clocks 33 2 4 5 Security and integ...

Page 4: ...1 SIM configuration 46 3 4 2 System mode controller SMC configuration 47 3 4 3 PMC configuration 48 3 4 4 MCM configuration 48 3 4 5 Crossbar light switch configuration 49 3 4 6 Peripheral bridge con...

Page 5: ...3 Chapter 4 Memory Map 4 1 Introduction 77 4 2 System memory map 77 4 3 Flash memory map 78 4 3 1 Alternate non volatile IRC user trim description 78 4 4 SRAM memory map 79 4 5 Bit Manipulation Engine...

Page 6: ...ule clocks 90 5 7 1 PMC 1 kHz LPO clock 91 5 7 2 COP clocking 91 5 7 3 LPTMR clocking 92 5 7 4 TPM clocking 92 5 7 5 UART clocking 93 Chapter 6 Reset and Boot 6 1 Introduction 95 6 2 Reset 95 6 2 1 Po...

Page 7: ...urity 8 1 Introduction 113 8 2 Flash security 113 8 3 Security interactions with other modules 113 8 3 1 Security interactions with Debug 114 Chapter 9 Debug 9 1 Introduction 115 9 2 Debug port pin de...

Page 8: ...1 Core modules 127 10 4 2 System modules 127 10 4 3 Clock modules 128 10 4 4 Memories and memory interfaces 128 10 4 5 Analog 128 10 4 6 Timer Modules 129 10 4 7 Communication interfaces 129 10 4 8 Hu...

Page 9: ...ister 7 SIM_SOPT7 148 12 2 5 System Device Identification Register SIM_SDID 149 12 2 6 System Clock Gating Control Register 4 SIM_SCGC4 151 12 2 7 System Clock Gating Control Register 5 SIM_SCGC5 153...

Page 10: ...es 175 13 4 4 Wait modes 176 13 4 5 Stop modes 177 13 4 6 Debug in low power modes 179 Chapter 14 Power Management Controller PMC 14 1 Introduction 181 14 2 Features 181 14 3 Low voltage detect LVD sy...

Page 11: ...description 197 16 3 Memory map and register definition 198 16 4 Functional description 198 16 4 1 BME decorated stores 198 16 4 2 BME decorated loads 205 16 4 3 Additional details on decorated addre...

Page 12: ...y Map 251 Chapter 19 Crossbar Switch Lite AXBS Lite 19 1 Introduction 257 19 1 1 Features 257 19 2 Memory Map Register Definition 257 19 3 Functional Description 258 19 3 1 General operation 258 19 3...

Page 13: ...21 3 7 MCG Status and Control Register MCG_SC 272 21 3 8 MCG Auto Trim Compare Value High Register MCG_ATCVH 274 21 3 9 MCG Auto Trim Compare Value Low Register MCG_ATCVL 274 21 4 Functional Descripti...

Page 14: ...ional Description 292 22 8 1 OSC Module States 292 22 8 2 OSC Module Modes 294 22 8 3 Counter 295 22 8 4 Reference Clock Pin Requirements 295 22 9 Reset 296 22 10 Low Power Modes Operation 296 22 11 I...

Page 15: ...Protection 315 24 4 2 Interrupts 315 24 4 3 Flash Operation in Low Power Modes 316 24 4 4 Functional Modes of Operation 317 24 4 5 Flash Reads and Ignored Writes 317 24 4 6 Read While Write RWW 317 2...

Page 16: ...de General Calibration Value Register ADCx_CLPD 356 25 3 11 ADC Plus Side General Calibration Value Register ADCx_CLPS 356 25 3 12 ADC Plus Side General Calibration Value Register ADCx_CLP4 357 25 3 1...

Page 17: ...3 6 bit DAC key features 384 26 4 ANMUX key features 384 26 5 CMP DAC and ANMUX diagram 385 26 6 CMP block diagram 386 26 7 Memory map register definitions 387 26 7 1 CMP Control Register 0 CMPx_CR0 3...

Page 18: ...2 Features 409 27 1 3 Modes of Operation 410 27 1 4 Block Diagram 410 27 2 TPM Signal Descriptions 411 27 2 1 TPM_EXTCLK TPM External Clock 411 27 2 2 TPM_CHn TPM Channel n I O Pin 412 27 3 Memory Map...

Page 19: ...8 1 2 Modes of operation 433 28 2 LPTMR signal descriptions 434 28 2 1 Detailed signal descriptions 434 28 3 Memory map and register definition 434 28 3 1 Low Power Timer Control Status Register LPTMR...

Page 20: ...Slave Data Out 447 29 2 4 SS Slave Select 447 29 3 Memory Map and Register Descriptions 448 29 3 1 SPI Control Register 1 SPIx_C1 448 29 3 2 SPI Control Register 2 SPIx_C2 450 29 3 3 SPI Baud Rate Reg...

Page 21: ...tions 473 30 3 Memory map and register descriptions 473 30 3 1 I2C Address Register 1 I2Cx_A1 474 30 3 2 I2C Frequency Divider register I2Cx_F 475 30 3 3 I2C Control Register 1 I2Cx_C1 476 30 3 4 I2C...

Page 22: ...UART Control Register 2 UARTx_C2 502 31 2 5 UART Status Register 1 UARTx_S1 503 31 2 6 UART Status Register 2 UARTx_S2 505 31 2 7 UART Control Register 3 UARTx_C3 507 31 2 8 UART Data Register UARTx_...

Page 23: ...ta Input Register GPIOx_PDIR 526 32 2 6 Port Data Direction Register GPIOx_PDDR 526 32 3 FGPIO memory map and register definition 527 32 3 1 Port Data Output Register FGPIOx_PDOR 528 32 3 2 Port Set O...

Page 24: ...KL02 Sub Family Reference Manual Rev 2 1 July 2013 24 Freescale Semiconductor Inc...

Page 25: ...identify different numbering systems This suffix Identifies a b Binary number For example the binary equivalent of the number 5 is written 101b In some cases binary numbers are shown with the prefix...

Page 26: ...4 XAD 7 0 Numbers in brackets and separated by a colon represent either A subset of a register s named field For example REVNO 6 4 refers to bits 6 4 that are part of the COREREV field that occupies b...

Page 27: ...ntegration This scalability allows developers to standardize on the Kinetis L Series for their end product platforms maximising hardware and software reuse and reducing time to market Features common...

Page 28: ...MCUs KL2x Family KL1x Family KL0x Family KL3x Family Family Program Flash Packages Key Features Low power Mixed signal USB Segment LCD KL4x Family 8 32KB 32 256KB 32 256KB 64 256KB 128 256KB 16 48pin...

Page 29: ...l registers eliminating traditional methods where the core would need to perform read modify write operations Up to 4 channel DMA for peripheral and memory servicing with minimal CPU intervention feat...

Page 30: ...lity safety and security Internal watchdog with independent clock source Timing and control Powerful timer modules which support general purpose PWM and motor control functions Periodic Interrupt Time...

Page 31: ...MHz from single cycle access memories 48 MHz CPU frequency System System integration module Power management and mode controllers Multiple power modes available based on run wait stop and power down...

Page 32: ...detect asynchronous wake up events in stop modes and signal to clock control logic to resume system clocking After clock restart the NVIC observes the pending interrupt and performs the normal interr...

Page 33: ...es and memory interfaces The following memories and memory interfaces are available on this device Table 2 4 Memories and memory interfaces Module Description Flash memory Program flash memory up to 3...

Page 34: ...imer modules are available on this device Table 2 8 Timer modules Module Description Timer PWM module TPM Selectable TPM clock mode Prescaler divide by 1 2 4 8 16 32 64 or 128 16 bit free running coun...

Page 35: ...aces The following human machine interfaces HMI are available on this device Table 2 10 HMI modules Module Description General purpose input output GPIO Some general purpose input or output GPIO pins...

Page 36: ...Orderable part numbers KL02 Sub Family Reference Manual Rev 2 1 July 2013 36 Freescale Semiconductor Inc...

Page 37: ...module to module interconnections for this device Table 3 1 Module to module interconnects Peripheral Signal to Peripheral Use Case Control Comment TPM1 CH0F CH1F to ADC Trigger ADC Triggering A AND...

Page 38: ...TPM1 CH0 Input capture SOPT4_TPM1CH0SR C CMP0 CMP0_OUT to UART0_RX IR interface SOPT5_UART0RXSR C LPTMR Hardware trigger to CMPx Low power triggering of the comparator CMP_CR1 TRIGM LPTMR Hardware tr...

Page 39: ...this option for the best ADC operation 3 3 Core modules 3 3 1 ARM Cortex M0 core configuration This section summarizes how the module has been configured in the chip Full documentation for this module...

Page 40: ...points BKPT 2 Implements 2 breakpoints Debug Support DBG 1 Present Halt Event Support HALTEV 1 Present I O Port IOP 1 Present Implements single cycle ld st accesses to special address space IRQ Mask E...

Page 41: ...port bus interfacing to the GPIO with 1 cycle loads and stores 3 3 1 3 System tick timer The CLKSOURCE field in SysTick Control and Status register selects either the core clock when CLKSOURCE 1 or a...

Page 42: ...r management Power management Private peripheral bus PPB ARM Cortex M0 core ARM Cortex M0 core 3 3 2 1 Interrupt priority levels This device supports four priority levels for interrupts Therefore in t...

Page 43: ...tors 0x0000_0000 0 ARM core Initial stack pointer 0x0000_0004 1 ARM core Initial program counter 0x0000_0008 2 ARM core Non maskable interrupt NMI 0x0000_000C 3 ARM core Hard fault 0x0000_0010 4 0x000...

Page 44: ...0x0000_0090 36 20 5 0x0000_0094 37 21 5 0x0000_0098 38 22 5 0x0000_009C 39 23 5 0x0000_00A0 40 24 6 0x0000_00A4 41 25 6 0x0000_00A8 42 26 6 0x0000_00AC 43 27 6 MCG 0x0000_00B0 44 28 7 LPTMR0 0x0000_00...

Page 45: ...Therefore the following field locations are used to configure the SPI0 interrupts NVICIPR2 23 22 3 3 3 Asynchronous wake up interrupt controller AWIC configuration This section summarizes how the mod...

Page 46: ...tional in Stop mode Pin interrupts Port control module any enabled pin interrupt is capable of waking the system ADC The ADC is functional when using internal clock source CMP0 Interrupt in normal or...

Page 47: ...gured in the chip For a comprehensive description of the module itself see the module s dedicated chapter Power Management Controller PMC Register access Peripheral bridge System Mode Controller SMC R...

Page 48: ...f the module itself see the module s dedicated chapter Register access Power Management Controller PMC Peripheral bridge Module signals System Mode Controller SMC Figure 3 6 PMC configuration Table 3...

Page 49: ...e Full description Miscellaneous control module MCM MCM System memory map System memory map Clocking Clock distribution Power management Power management Private peripheral bus PPB ARM Cortex M0 core...

Page 50: ...k distribution Crossbar switch master ARM Cortex M0 core ARM Cortex M0 core Crossbar switch slave Flash memory controller Flash memory controller Crossbar switch slave SRAM controller SRAM configurati...

Page 51: ...ossbar switch Figure 3 9 Peripheral bridge configuration Table 3 16 Reference links to related information Topic Related module Reference Full description Peripheral bridge AIPS Lite Peripheral bridge...

Page 52: ...and the bus clock 3 4 7 2 COP watchdog operation The COP watchdog is intended to force a system reset when the application software fails to execute as expected To prevent a system reset from the COP...

Page 53: ...s 32 ms 0 10 1 kHz N A 28 cycles 256 ms 0 11 1 kHz N A 210 cycles 1024 ms 1 01 Bus 6 144 cycles 213 cycles 1 10 Bus 49 152 cycles 216 cycles 1 11 Bus 196 608 cycles 218 cycles After the bus clock sour...

Page 54: ...nabled as for any reset 3 4 7 3 Clock gating This family of devices includes clock gating control for each peripheral that is the clock to each peripheral can explicitly be gated on or off using clock...

Page 55: ...configuration This section summarizes how the module has been configured in the chip For a comprehensive description of the module itself see the module s dedicated chapter Signal multiplexing Regist...

Page 56: ...ces 3 6 1 Flash memory configuration This section summarizes how the module has been configured in the chip For a comprehensive description of the module itself see the module s dedicated chapter Regi...

Page 57: ...memory map Flash Flash configuration field Flash base address Flash memory base address Registers Figure 3 14 Flash memory map The on chip flash memory is implemented in a portion of the allocated Fla...

Page 58: ...er to customize the operation of the MCU at boot time See FOPT boot options for details of its definition 3 6 2 Flash memory controller configuration This section summarizes how the module has been co...

Page 59: ...SRAM configuration Table 3 24 Reference links to related information Topic Related module Reference Full description SRAM SRAM System memory map System memory map Clocking Clock distribution ARM Cort...

Page 60: ...e space after this beginning address Valid address ranges for SRAM_L and SRAM_U are then defined as SRAM_L 0x2000_0000 SRAM_size 4 to 0x1FFF_FFFF SRAM_U 0x2000_0000 to 0x2000_0000 SRAM_size 3 4 1 This...

Page 61: ...ister access 12 bit SAR ADC Peripheral bus controller 0 Other peripherals Figure 3 18 12 bit SAR ADC configuration Table 3 26 Reference links to related information Topic Related module Reference Full...

Page 62: ...0 00001 AD1 Reserved ADC0_SE1 00010 AD2 Reserved ADC0_SE2 00011 AD3 Reserved ADC0_SE3 00100 AD4 Reserved ADC0_SE4 00101 AD5 Reserved Reserved 00110 AD6 Reserved Reserved 00111 AD7 Reserved Reserved 01...

Page 63: ...VSS This device contains separate VREFH and VREFL pins on 32 pin and higher devices These pins are internally connected to VDD and VSS respectively on packages less than 32 pin 3 7 1 4 Alternate cloc...

Page 64: ...nel assignment table for a summary of CMP input connections for this device The CMP also includes one 6 bit DAC with a 64 tap resistor ladder network which provides a selectable voltage reference for...

Page 65: ...FH Vin1 input When using VREFH any ADC conversion using this same reference at the same time is negatively impacted VDD Vin2 input 3 7 2 4 CMP trigger mode The CMP and 6 bit DAC sub block supports tri...

Page 66: ...module has been configured in the chip For a comprehensive description of the module itself see the module s dedicated chapter Signal multiplexing Module signals Register access TPM Peripheral bus con...

Page 67: ...be selected from OSCERCLK MCGIRCLK or MCGFLLCLK The selected source is controlled by SIM_SOPT2 TPMSRC Each TPM also supports an external clock mode TPM_SC CMOD 1x in which the counter increments afte...

Page 68: ...configured as the global time when this option is enabled 3 8 1 5 TPM interrupts The TPM has multiple sources of interrupt However these sources are OR d together to generate a single interrupt reques...

Page 69: ...includes a 2N prescaler real time interrupt mode or glitch filter pulse accumulator mode The LPTMR can be clocked from the internal reference clock the internal 1 kHz LPO OSCERCLK or an external 32 7...

Page 70: ...itch filter clock number Chip clock 00 0 MCGIRCLK internal reference clock not available in VLLS modes 01 1 LPO 1 kHz clock not available in VLLS0 mode 10 2 ERCLK32K not available in VLLS0 mode when u...

Page 71: ...s device contains one SPI module that supports 8 bit data length SPI0 is clocked on the bus clock The SPI can operate in VLPS mode When the SPI is operating in VLPS mode it will operate as a slave SPI...

Page 72: ...en the package pins associated with IIC have their mux select configured for IIC operation the pins SCL and SDA are driven in a pseudo open drain configuration The digital glitch filter implemented in...

Page 73: ...erview The UART0 module supports basic UART x4 to x32 oversampling of baud rate This module supports LIN slave operation The module can remain functional in VLPS mode provided the clock it is using re...

Page 74: ...2 and PTA13 with high current drive capability These pins can be used to drive LED or power MOSFET directly The high drive capability applies to all functions which are multiplexed on these pins UART...

Page 75: ...reset Disabled Disabled Pin mux control Yes Yes Pin mux at reset PTA0 PTA2 ALT3 Others ALT0 PTB5 ALT3 Others ALT0 Lock bit No No Interrupt request PTA0 PTA1 PTA7 PTA10 PTA11 PTA12 only PTB0 PTB1 PTB2...

Page 76: ...Human machine interfaces HMI KL02 Sub Family Reference Manual Rev 2 1 July 2013 76 Freescale Semiconductor Inc...

Page 77: ...ore 0x2000_0000 0x2000_0BFF2 SRAM_U Upper SRAM Cortex M0 core 0x2000_0C00 0x3FFF_FFFF Reserved 0x4000_0000 0x4007_FFFF AIPS Peripherals Cortex M0 core 0x4008_0000 0x400F_EFFF Reserved 0x400F_F000 0x40...

Page 78: ...fied in System memory map Flash Flash configuration field Flash base address Flash memory base address Registers Figure 4 1 Flash memory map The on chip flash memory is implemented in a portion of the...

Page 79: ...ace By combining the basic load and store instruction support in the Cortex M instruction set architecture with the concept of decorated storage provided by the BME the resulting implementation provid...

Page 80: ...Accessing an address that is not implemented in the peripheral results in a transfer error termination 4 6 1 Read after write sequence and required serialization of memory operations In some situation...

Page 81: ...01_1000 17 0x4001_2000 18 0x4001_3000 19 0x4001_4000 20 0x4001_5000 21 0x4001_6000 22 0x4001_7000 23 0x4001_8000 24 0x4001_9000 25 0x4001_A000 26 0x4001_B000 27 0x4001_C000 28 0x4001_D000 29 0x4001_E0...

Page 82: ...ADC 0 0x4003_C000 60 0x4003_D000 61 0x4003_E000 62 0x4003_F000 63 0x4004_0000 64 Low power timer LPTMR 0x4004_1000 65 0x4004_2000 66 0x4004_3000 67 0x4004_4000 68 0x4004_5000 69 0x4004_6000 70 0x4004_...

Page 83: ...i purpose clock generator MCG 0x4006_5000 101 System oscillator OSC 0x4006_6000 102 I2C 0 0x4006_7000 103 I2C 1 0x4006_8000 104 0x4006_9000 105 0x4006_A000 106 UART 0 0x4006_B000 107 0x4006_C000 108 0...

Page 84: ...s architecture and provides access to select processor local modules These resources are only accessible from the core other system masters do not have access to them Table 4 3 PPB memory map System 3...

Page 85: ...lectable clock input 5 2 Programming model The selection and multiplexing of system clock sources is controlled and programmed via the MCG module The setting of clock dividers and module clock gating...

Page 86: ...IV Core clock platform clock and system clock Figure 5 1 Clocking diagram 5 4 Clock definitions The following table describes the clocks in the previous block diagram Clock name Description Core clock...

Page 87: ...The following table provides more information regarding the on chip clocks Table 5 1 Clock summary Clock name Run mode clock frequency VLPR mode clock frequency Clock source Clock is disabled when MCG...

Page 88: ...z ERCLK32K 30 40 kHz 30 40 kHz System OSC System OSC s OSC_CR ERCLKEN cleared or VLLS0 and oscillator not in external clock mode LPO 1 kHz 1 kHz PMC in VLLS0 TPM clock Up to 48 MHz Up to 8 MHz MCGIRCL...

Page 89: ...ck and flash clock dividers as shown in the table given below FTFA_FOPT 4 0 Core system clock Bus Flash clock Description 00 0x7 divide by 8 0x1 divide by 2 Low power boot 01 0x3 divide by 4 0x1 divid...

Page 90: ...in a divide by 5 setting 5 6 Clock gating The clock to each module can be individually gated on and off using bits of the SCGCx registers of the SIM module These bits are cleared after any reset which...

Page 91: ...h clock Analog ADC Bus clock OSCERCLK CMP Bus clock Timers TPM Bus clock TPM clock TPM_CLKIN0 TPM_CLKIN1 LPTMR Bus clock LPO OSCERCLK MCGIRCLK ERCLK32K Communication interfaces SPI0 Bus clock SPI0_SCK...

Page 92: ...in the following figure NOTE The chosen clock must remain enabled if the LPTMRx is to continue operating in all required low power modes LPTMRx_PSR PCS LPTMRx prescaler glitch filter clock MCGIRCLK OS...

Page 93: ...UART clocking The UART0 module has a selectable clock as shown in the following figure NOTE The chosen clock must remain enabled if the UART0 is to continue operating in all required low power modes...

Page 94: ...Module clocks KL02 Sub Family Reference Manual Rev 2 1 July 2013 94 Freescale Semiconductor Inc...

Page 95: ...Each of the system reset sources has an associated bit in the System Reset Status SRS registers See the Reset Control Module for register details The MCU can exit and reset in functional mode where t...

Page 96: ...offset 0 Reads the start PC from vector table offset 4 LR is set to 0xFFFF_FFFF The on chip peripheral modules are disabled and the non analog I O pins are initially configured as disabled The pins w...

Page 97: ...ct memory contents and control MCU system states during supply voltage variations The system consists of a power on reset POR circuit and an LVD circuit with a user selectable trip voltage The LVD sys...

Page 98: ...can be caused by a failure of an external clock input to a module 6 2 2 6 Software reset SW The SYSRESETREQ field in the NVIC Application Interrupt and Reset Control register can be set to force a sof...

Page 99: ...POR not VLLS The Chip POR not VLLS reset asserts on POR and LVD reset sources It resets parts of the SMC and SIM It also resets the LPTMR The Chip POR not VLLS reset also causes these resets to occur...

Page 100: ...pin is driven low by the MCU for at least 128 bus clock cycles and until flash initialization has completed After flash initialization has completed the RESET_b pin is released and the internal Chip R...

Page 101: ...the boot sequence including sources and options Some configuration information such as clock trim values stored in factory programmed flash locations is autoloaded 6 3 1 Boot sources The CM0 core add...

Page 102: ...OT setting 1 Fast Initialization The flash has faster recoveries at the expense of higher current during these times 3 RESET_PIN_CFG Enables disables control for the RESET pin 0 RESET_b pin is disable...

Page 103: ...ock and any bus clocks that do not have clock gate control reset to disabled 3 The system reset on internal logic continues to be held but the Flash Controller is released from reset and begins initia...

Page 104: ...ion If the NMI_b input is low and the NMI function is enabled in the FOPT register this results in an NMI interrupt The processor executes an Exception Entry and reads the NMI interrupt handler addres...

Page 105: ...VLP Run mode When configured for PSTOP2 only the core and system clocks are gated and the bus clock remains active The bus masters and bus slaves clocked by the system clock enter Stop mode but the bu...

Page 106: ...Stop mode also remains functional in Compute Operation including generation of asynchronous interrupts requests When enabling Compute Operation in Run mode module functionality for bus masters and sla...

Page 107: ...include all of the modes of operation listed below The CPU is in Wait mode The CPU is in Stop mode including the entry sequence The CPU is in Compute Operation including the entry sequence Peripheral...

Page 108: ...n Wait and Stop The WFI instruction invokes both Wait and Stop modes for the chip The primary modes are augmented in a number of ways to provide lower power based on application needs NOTE KL02 does n...

Page 109: ...chip voltage regulator is in a low power mode that supplies only enough power to run the chip at a reduced frequency All SRAM is operating content retained and I O states held Sleep Deep Interrupt VL...

Page 110: ...gs such as 4 MHz and 1 Mbit s represent the maximum frequencies or maximum data rates per mode Following is list of terms also used in the table FF Full functionality In VLPR and VLPW the system frequ...

Page 111: ...IRC optional OFF Core clock 4 MHz max OFF OFF OFF OFF System clock 4 MHz max OFF in CPO 4 MHz max OFF OFF OFF Bus clock 1 MHz max OFF in CPO 1 MHz max OFF 24 MHz max in PSTOP2 from RUN 1MHz max in PS...

Page 112: ...e in VLLS1 3 OFF in VLLS0 6 bit DAC FF static in CPO FF static FF in PSTOP2 static static OFF in VLLS0 Human machine interfaces GPIO FF IOPORT write only in CPO FF static output wakeup input FF in PST...

Page 113: ...xternal accesses debug CPU accesses to the flash are not affected by the status of FTFA_FSEC In the unsecured state all flash commands are available on the programming interfaces either from the debug...

Page 114: ...the Flash Mass Erase in Progress field of the MDM AP Control register to trigger a mass erase Erase All Blocks command A mass erase via the debugger is allowed even when some memory locations are prot...

Page 115: ...supported Serial Wire Debug SWD 9 2 Debug port pin descriptions The debug port pins default after POR to their SWD functionality Table 9 1 Serial wire debug pin description Pin name Type Description...

Page 116: ...remaining less intrusive during a debug session It is important to note that these DAP control and status registers are not memory mapped within the system memory map and are only accessible via the...

Page 117: ...STAT AP Select SELECT Read Buffer RDBUFF DP Registers 0x00 0x04 0x08 0x0C Data 31 0 A 3 2 RnW DPACC Data 31 0 A 3 2 RnW APACC Debug Port DP Generic See the ARM Debug Interface v5p1 Supplement Figure 9...

Page 118: ...low the debugger time to re initialize debug IP before the debug session continues The Mode Controller captures this bit logic on entry to VLLSx modes Upon exit from VLLSx modes the Mode Controller wi...

Page 119: ...ed 1 Mass erase is enabled 6 Backdoor Access Key Enable Indicates if the MCU has the backdoor access key enabled 0 Disabled 1 Enabled 7 LP Enabled Decode of SMC_PMCTRL STOPM field to indicate that VLP...

Page 120: ...ger to reset the debug logic System POR reset Conversely the debug system is capable of generating system reset using the following mechanism A system reset in the DAP control register which allows th...

Page 121: ...r is reset on recovery and must be reconfigured once the low power mode is exited Power mode entry logic monitors Debug Power Up and System Power Up signals from the debug port as indications that a d...

Page 122: ...a In the secure state the debugger still has access to the status register and can determine the current security state of the device In the case of a secure device the debugger has the capability of...

Page 123: ...Signal multiplexing integration This section summarizes how the module is integrated into the device For a comprehensive description of the module itself see the module s dedicated chapter Register ac...

Page 124: ...ability PS 1 PTA0 0 Fixed All are read only PE 0 PTA0 and PTA2 1 Yes All GPIOs are configurable DSE 0 No exceptions all DSE are cleared on reset 4 pins are configurable for High Drive PTB0 PTB1 PTA12...

Page 125: ...the same function to more than one pin 2 To ensure the best signal timing for a given peripheral s interface choose the pins in closest proximity to each other 10 3 Pinout 10 3 1 KL02 signal multiplex...

Page 126: ...0_SDA UART0_RX B2 PTB5 IRQ_12 NMI_b ADC0_SE1 CMP0_IN1 PTB5 IRQ_12 TPM1_CH1 NMI_b A1 PTA12 IRQ_13 LPTMR0_ALT2 ADC0_SE0 CMP0_IN0 ADC0_SE0 CMP0_IN0 PTA12 IRQ_13 LPTMR0_ALT2 TPM1_CH0 TPM_CLKIN0 A2 PTB13 A...

Page 127: ...le signal name Description I O SWD_DIO SWD_DIO Serial Wire Debug Data Input Output The SWD_DIO pin is used by an external debug tool for communication and device control This pin is pulled up internal...

Page 128: ...I XTAL0 XTAL Oscillator output O 10 4 4 Memories and memory interfaces 10 4 5 Analog Table 10 6 ADC0 signal descriptions Chip signal name Module signal name Description I O ADC0_SEn ADn Single Ended A...

Page 129: ...0 Signal Descriptions Chip signal name Module signal name Description I O LPTMR0_ALT 2 1 LPTMR_ALTn Pulse Counter Input pin I 10 4 7 Communication interfaces Table 10 11 SPI0 signal descriptions Chip...

Page 130: ...t data O UART0_RX RxD Receive data I 10 4 8 Human machine interfaces HMI Table 10 15 GPIO Signal Descriptions Chip signal name Module signal name Description I O PTA 31 0 1 PORTA31 PORTA0 General purp...

Page 131: ...pin muxing state There is one instance of the PORT module for each port Not all pins within each port are implemented on a specific device 11 2 1 Features The PORT module has the following features P...

Page 132: ...iguration fields are functional in all digital Pin Muxing modes 11 2 2 Modes of operation 11 2 2 1 Run mode In Run mode the PORT operates normally 11 2 2 2 Wait mode In Wait mode PORT continues to ope...

Page 133: ...d memory map results in a bus error All register accesses complete with zero wait states PORT memory map Absolute address hex Register name Width in bits Access Reset value Section page 4004_9000 Pin...

Page 134: ...section 11 5 1 136 4004_9064 Pin Control Register n PORTA_PCR25 32 R W See section 11 5 1 136 4004_9068 Pin Control Register n PORTA_PCR26 32 R W See section 11 5 1 136 4004_906C Pin Control Register...

Page 135: ...R W See section 11 5 1 136 4004_A054 Pin Control Register n PORTB_PCR21 32 R W See section 11 5 1 136 4004_A058 Pin Control Register n PORTB_PCR22 32 R W See section 11 5 1 136 4004_A05C Pin Control R...

Page 136: ...port DSE field Varies by port See Signal Multiplexing and Signal Descriptions chapter for reset values per port PFE field Varies by port See Signal Multiplexing and Signal Descriptions chapter for res...

Page 137: ...ented pin muxing slots are reserved and may result in configuring the pin for a different pin muxing slot The corresponding pin is configured in the following pin muxing slot as follows 000 Pin disabl...

Page 138: ...pull resistor Pull configuration is valid in all digital pin muxing modes 0 Internal pullup or pulldown resistor is not enabled on the corresponding pin 1 Internal pullup or pulldown resistor is enabl...

Page 139: ...0 0 PORTx_GPCHR field descriptions Field Description 31 16 GPWE Global Pin Write Enable Selects which Pin Control Registers 31 through 16 bits 15 0 update with the value in GPWD 0 Corresponding Pin Co...

Page 140: ...configures the pin s capability to interrupt the CPU on a rising falling edge or both edges as well as a logic level occurring on the port pin It also includes a flag to indicate that an interrupt has...

Page 141: ...bled default out of reset Active high level sensitive interrupt Active low level sensitive interrupt Rising edge sensitive interrupt Falling edge sensitive interrupt Rising and falling edge sensitive...

Page 142: ...Functional description KL02 Sub Family Reference Manual Rev 2 1 July 2013 142 Freescale Semiconductor Inc...

Page 143: ...d System RAM size configuration TPM external clock and input capture selection UART receive transmit source selection configuration 12 2 Memory map and register definition The SIM module contains many...

Page 144: ...058 Unique Identification Register Mid High SIM_UIDMH 32 R See section 12 2 12 159 4004_805C Unique Identification Register Mid Low SIM_UIDML 32 R See section 12 2 13 159 4004_8060 Unique Identificati...

Page 145: ...erved and always has the value 0 17 16 Reserved This field is reserved This read only field is reserved and always has the value 0 Reserved This field is reserved This read only field is reserved and...

Page 146: ...pin must also be configured for the TPM external clock function through the appropriate pin control register in the port control module 0 TPM0 external clock driven by TPM_CLKIN0 pin 1 TPM0 external...

Page 147: ...Reserved This field is reserved This read only field is reserved and always has the value 0 16 UART0ODE UART0 Open Drain Enable 0 Open drain is disabled on UART0 1 Open drain is enabled on UART0 15 7...

Page 148: ...field descriptions Field Description 31 8 Reserved This field is reserved This read only field is reserved and always has the value 0 7 ADC0ALTTRGEN ADC0 Alternate Trigger Enable Enables alternative...

Page 149: ...e 1024h offset 4004_8024h Bit 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 R FAMID SUBFAMID SERIESID SRAMSIZE REVID DIEID 0 PINID W Reset 0 0 0 1 0 1 1 0 0 0 0...

Page 150: ...fies the size of the System SRAM 0000 0 5 KB 0001 1 KB 0010 2 KB 0011 4 KB 0100 8 KB 0101 16 KB 0110 32 KB 0111 64 KB 15 12 REVID Device Revision Number Specifies the silicon implementation number for...

Page 151: ...9 Reserved This field is reserved This read only field is reserved and always has the value 1 28 24 Reserved This field is reserved This read only field is reserved and always has the value 0 23 Reser...

Page 152: ...the value 0 10 UART0 UART0 Clock Gate Control Controls the clock gate to the UART0 module 0 Clock disabled 1 Clock enabled 9 8 Reserved This field is reserved This read only field is reserved and alwa...

Page 153: ...3 11 Reserved This field is reserved This read only field is reserved and always has the value 0 10 PORTB Port B Clock Gate Control Controls the clock gate to the Port B module 0 Clock disabled 1 Cloc...

Page 154: ...0 0 0 0 0 0 1 SIM_SCGC6 field descriptions Field Description 31 Reserved This field is reserved This read only field is reserved and always has the value 0 30 Reserved This field is reserved This rea...

Page 155: ...is field is reserved This read only field is reserved and always has the value 0 0 FTF Flash Memory Clock Gate Control Controls the clock gate to the flash memory Flash reads are still supported while...

Page 156: ...0 Divide by 7 0111 Divide by 8 1000 Divide by 9 1001 Divide by 10 1010 Divide by 11 1011 Divide by 12 1100 Divide by 13 1101 Divide by 14 1110 Divide by 15 1111 Divide by 16 27 19 Reserved This field...

Page 157: ...FSIZE Program Flash Size Specifies the amount of program flash memory available on the device Undefined values are reserved 0000 8 KB of program flash memory 0 25 KB protection region 0001 16 KB of pr...

Page 158: ...ot be changed during VLP modes Relocate the interrupt vectors out of Flash memory before disabling the Flash 0 Flash is enabled 1 Flash is disabled 12 2 11 Flash Configuration Register 2 SIM_FCFG2 Add...

Page 159: ...e 1058h offset 4004_8058h Bit 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 R 0 UID W Reset 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Notes UID field Device specific valu...

Page 160: ...escriptions Field Description UID Unique Identification Unique identification for the device 12 2 15 COP Control Register SIM_COPC All of the bits in this register can be written only once after a res...

Page 161: ...ource to COP 1 Bus clock is source to COP 0 COPW COP Windowed Mode Windowed mode is supported only when COP is running from the bus clock The COP window is opened three quarters through the timeout pe...

Page 162: ...12 3 Functional description See Introduction section Functional description KL02 Sub Family Reference Manual Rev 2 1 July 2013 162 Freescale Semiconductor Inc...

Page 163: ...ode This chapter describes all the available low power modes the sequence followed to enter exit each mode and the functionality available while in each of the modes The SMC is able to function during...

Page 164: ...f operation for the device The following table describes the power modes available for the device Table 13 1 Power modes Mode Description RUN The MCU can be run at full speed and the internal supply i...

Page 165: ...etails follow about the registers related to the system mode controller Different SMC registers reset on different reset types Each register s description provides details For more information about t...

Page 166: ...nly field is reserved and always has the value 0 5 AVLP Allow Very Low Power Modes Provided the appropriate control bits are set up in PMCTRL this write once bit allows the MCU to enter any very low p...

Page 167: ...run mode Writes to this field are blocked if the protection level has not been enabled using the PMPROT register This field is cleared by hardware on any exit to normal RUN mode NOTE RUNM may be set t...

Page 168: ...Register SMC_STOPCTRL The STOPCTRL register provides various control bits allowing the user to fine tune power consumption during the stop mode selected by the STOPM field NOTE This register is reset...

Page 169: ...ield is reserved and always has the value 0 3 Reserved This field is reserved This read only field is reserved and always has the value 0 VLLSM VLLS Mode Control This field controls which VLLS sub mod...

Page 170: ...will not update to STOP or VLPS 000_0001 Current power mode is RUN 000_0010 Current power mode is STOP 000_0100 Current power mode is VLPR 000_1000 Current power mode is VLPW 001_0000 Current power mo...

Page 171: ...mode transition triggers Transition From To Trigger conditions 1 RUN WAIT Sleep now or sleep on exit modes entered with SLEEPDEEP clear controlled in System Control Register in ARM core See note 1 WA...

Page 172: ...Interrupt NOTE If VLPS was entered directly from RUN hardware will not allow this transition and will force exit back to RUN 7 RUN VLPS PMPROT AVLP 1 PMCTRL STOPM 010 Sleep now or sleep on exit modes...

Page 173: ...e following diagram illustrates the connections of the SMC with other system components in the chip that are necessary to sequence the system through all power modes System Mode Controller SMC System...

Page 174: ...nd internal power switches are restored 2 Clock generators are enabled in the MCG 3 System and bus clocks are enabled to all masters and slaves 4 The CPU clock is enabled and the CPU begins servicing...

Page 175: ...able offset 0x004 LR is set to 0xFFFF_FFFF To reduce power in this mode disable the clocks to unused modules using their corresponding clock gating control bits in the SIM s registers 13 4 3 2 Very Lo...

Page 176: ...ny clock mode If a higher execution frequency is desired poll the PMSTAT register until it is set to RUN when returning from VLPR mode Any reset always causes an exit from VLPR and returns the device...

Page 177: ...meet your application needs The stop modes range from a stopped CPU with all I O logic and memory states retained and certain asynchronous mode peripherals operating to a powered down CPU with only I...

Page 178: ...2 Very Low Power Stop VLPS mode VLPS mode can be entered in one of two ways Entry into stop via the sleep now or sleep on exit with the SLEEPDEEP bit set in the System Control Register in the ARM cor...

Page 179: ...ll cause an exit from any VLLS mode returning the device to normal RUN mode When exiting VLLS via the RESET pin the PIN and WAKEUP bits are set in the SRS0 register of the reset control module RCM 13...

Page 180: ...ery from a VLLS mode This bit allows the debugger time to reinitialize the debug module before the debug session continues The MDM AP Control Register also includes a Very Low Leakage Debug Acknowledg...

Page 181: ...ge trip points with four warning levels per trip point 14 3 Low voltage detect LVD system This device includes a system to guard against low voltage conditions This protects memory contents and contro...

Page 182: ...d by LVDSC1 LVDV After an LVD reset occurs the LVD system holds the MCU in reset until the supply voltage rises above this threshold The LVD field in the SRS register of the RCM module RCM_SRS0 LVD is...

Page 183: ...ch register s description provides details For more information about the types of reset on this chip refer to the Reset section details The PMC registers can be written only in supervisor mode Write...

Page 184: ...r s other bits are reset on Chip Reset Not VLLS For more information about these reset types refer to the Reset section details Address 4007_D000h base 0h offset 4007_D000h Bit 7 6 5 4 3 2 1 0 Read LV...

Page 185: ...2 register PMC_LVDSC2 This register contains status and control bits to support the low voltage warning function While the device is in the very low power or low leakage modes the LVD system is disab...

Page 186: ...ved This field is reserved This read only field is reserved and always has the value 0 LVWV Low Voltage Warning Voltage Select Selects the LVW trip point voltage VLVW The actual voltage for the warnin...

Page 187: ...3 ACKISO Acknowledge Isolation Reading this bit indicates whether certain peripherals and the I O pads are in a latched state as a result of having been in a VLLS mode Writing one to this bit when it...

Page 188: ...Memory map and register descriptions KL02 Sub Family Reference Manual Rev 2 1 July 2013 188 Freescale Semiconductor Inc...

Page 189: ...ult in a bus error RCM memory map Absolute address hex Register name Width in bits Access Reset value Section page 4007_F000 System Reset Status Register 0 RCM_SRS0 8 R 82h 15 2 1 189 4007_F001 System...

Page 190: ...a reset has been caused by an active low level on the external RESET pin 0 Reset not caused by external reset pin 1 Reset caused by external reset pin 5 WDOG Watchdog Indicates a reset has been caused...

Page 191: ...indicate the source of the most recent reset The reset state of these bits depends on what caused the MCU to reset NOTE The reset value of this register depends on the reset source POR including LVD 0...

Page 192: ...ware Indicates a reset has been caused by software setting of SYSRESETREQ bit in Application Interrupt and Reset Control Register in the ARM core 0 Reset not caused by software setting of SYSRESETREQ...

Page 193: ...mal operation 11 Reserved 15 2 4 Reset Pin Filter Width register RCM_RPFW NOTE The reset values of the bits in the RSTFLTSEL field are for Chip POR only They are unaffected by other reset types Addres...

Page 194: ...ount is 17 10001 Bus clock filter count is 18 10010 Bus clock filter count is 19 10011 Bus clock filter count is 20 10100 Bus clock filter count is 21 10101 Bus clock filter count is 22 10110 Bus cloc...

Page 195: ...ction is targeted at the manipulation of n bit fields in peripheral registers and is consistent with I O hardware addressing in the Embedded C standard For most BME commands a single core read or writ...

Page 196: ...e BME module interfaces to a crossbar switch AHB slave port as its primary input and sources an AHB bus output to the Peripheral Bridge PBRIDGE controller The BME hardware microarchitecture is a 2 sta...

Page 197: ...cted peripheral bridge bus controller All functionality associated with the BME module resides in the core platform s clock domain this includes its connections with the crossbar slave port and the PB...

Page 198: ...ing architectural capability defined by this core platform function is targeted at the manipulation of n bit fields in peripheral registers and is consistent with I O hardware addressing in the Embedd...

Page 199: ...ite from input bus mx_h signal is translated into a read operation on the output bus sx_h signal using the actual memory address with the decoration removed and then captured in a register reg_addr_da...

Page 200: ...1 0 ioandb 0 1 0 0 0 1 mem_addr ioandh 0 1 0 0 0 1 mem_addr 0 ioandw 0 1 0 0 0 1 mem_addr 0 0 Figure 16 3 Decorated store address logical AND See Figure 16 3 where addr 28 26 001 specifies the AND op...

Page 201: ...operation and can be byte 8 bit halfword 16 bit or word 32 bit The core performs the required write data lane replication on byte and halfword transfers 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 1...

Page 202: ...by the write operation and can be byte 8 bit halfword 16 bit or word 32 bit The core performs the required write data lane replication on byte and halfword transfers 31 30 29 28 27 26 25 24 23 22 21 2...

Page 203: ...performs the required write data lane replication on byte and halfword transfers The BFI operation can be used to insert a single bit into a peripheral For this case the w field is simply set to 0 ind...

Page 204: ...zfgh if b 4 and the decorated store strb Rt register 7 0 xyz_ then destination is axyz_efgh if b 5 and the decorated store strb Rt register 7 0 xyz _ then destination is xyzd_efgh if b 6 and the decor...

Page 205: ...d then aligned and returned to the processor in the second AHB data phase This is the only decorated transaction that is not an atomic read modify write as it is a simple data read A generic timing di...

Page 206: ...d is set or clear based on the function defined by the decoration with the modified data captured in a register the input bus cycle is stalled 4 Cycle x 2 second AHB data phase The selected original 1...

Page 207: ...ith the actual memory address with the decoration removed and then captured in a register Cycle x 1 2nd AHB address phase Idle cycle Cycle x 1 1st AHB data phase A bit mask is generated based on the s...

Page 208: ...specifies the address offset into the peripheral space based at 0x4000_0000 The indicates an address bit don t care The decorated load and clear 1 bit read operation is defined in the following pseud...

Page 209: ...ddress offset into the peripheral space based at 0x4000_0000 The indicates an address bit don t care The decorated Load and Set 1 Bit read operation is defined in the following pseudo code as rdata io...

Page 210: ...16 11 Decorated load address unsigned bit field extract See Figure 16 11 where addr 28 1 specifies the unsigned bit field extract operation addr 27 23 is b the LSB identifier addr 22 19 is w the bit...

Page 211: ...of address 19 varies by decorated operation for AND OR XOR LAC1 and LAS1 this bit functions as a true address bit while for BFI and UBFX this bit defines the least significant bit of the w bit field s...

Page 212: ...the decorated loads are more complex and available in the complete BME header file These macros use the same function names presented in Functional description define IOANDW ADDR WDATA __asm ldr r3 1...

Page 213: ...define IOXORH ADDR WDATA __asm ldr r3 3 26 orr r3 addr mov r2 wdata strh r2 r3 addr r ADDR wdata r WDATA r2 r3 define IOXORB ADDR WDATA __asm ldr r3 3 26 orr r3 addr mov r2 wdata strb r2 r3 addr r ADD...

Page 214: ...Application information KL02 Sub Family Reference Manual Rev 2 1 July 2013 214 Freescale Semiconductor Inc...

Page 215: ...ssbar master arbitration policy selection Flash controller speculation buffer and cache configurations 17 2 Memory map register descriptions The memory map and register descriptions below describe the...

Page 216: ...e connections to the device s crossbar switch Address F000_3000h base 8h offset F000_3008h Bit 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Read 0 ASC Write Reset 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 MCM_PLASC fi...

Page 217: ...aster connection to AXBS input port n is absent 1 A bus master connection to AXBS input port n is present 17 2 3 Platform Control Register MCM_PLACR The PLACR register selects the arbitration policy f...

Page 218: ...0 19 18 17 16 R 0 ESFC W Reset 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Bit 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 R DFCS EFDS DFCC DFCIC DFCDA 0 ARB 0 W CFCC Reset 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 MCM_PLACR fie...

Page 219: ...truction caching 0 Enable flash controller instruction caching 1 Disable flash controller instruction caching 11 DFCDA Disable Flash Controller Data Caching Disables flash controller data caching 0 En...

Page 220: ...d only field is reserved and always has the value 0 2 CPOWOI Compute Operation wakeup on interrupt 0 No effect 1 When set the CPOREQ is cleared on any interrupt or exception vector fetch 1 CPOACK Comp...

Page 221: ...escriptions continued Field Description 0 Request is cleared 1 Request Compute Operation Chapter 17 Miscellaneous Control Module MCM KL02 Sub Family Reference Manual Rev 2 1 July 2013 Freescale Semico...

Page 222: ...Memory map register descriptions KL02 Sub Family Reference Manual Rev 2 1 July 2013 222 Freescale Semiconductor Inc...

Page 223: ...M controller manages requests from two sources AMBA AHB reads and writes from the system bus program trace packet writes from the processor As part of the MTB functionality there is a DWT Data Watchpo...

Page 224: ...from the processor core The private MTB port signals the instruction address information needed for the 64 bit program trace packets written into the system RAM The PRAM controller output interfaces t...

Page 225: ...nd higher addressed word contains the destination of the branch the address it branched to The value stored only records bits 31 1 of the branch address The least significant bit of the value is the S...

Page 226: ...o approximately 1600 processor cycles per KB This metric is obviously very sensitive to the runtime characteristics of the user code The MTB_DWT function not shown in the core platform block diagram m...

Page 227: ...ate crossbar slave port plus the private execution trace bus from the processor core The signals in the private execution trace bus are detailed in the following table taken from the ARM CoreSight Mic...

Page 228: ...ons Attempting to access these locations can result in UNPREDICTABLE behavior The behavior of the MTB is UNPREDICTABLE if the registers with UNKNOWN reset values are not programmed prior to enabling t...

Page 229: ...2 R See section 18 3 1 14 240 F000_0FD4 Peripheral ID Register MTB_PERIPHID5 32 R See section 18 3 1 14 240 F000_0FD8 Peripheral ID Register MTB_PERIPHID6 32 R See section 18 3 1 14 240 F000_0FDC Peri...

Page 230: ...In this configuration the MTB_POSITION register is initialized to 0x2000_0000 0x0000_7FF8 0x0000_00000 Following these two suggested placements provides a full featured circular memory buffer containi...

Page 231: ...are RAZ WI Therefore the active bits in this field are POSITION 14 3 POSITION POINTER 11 0 2 WRAP This field is set to 1 automatically when the POINTER value wraps as determined by the MTB_MASTER MAS...

Page 232: ...cause MTB_FLOW WATERMARK is set then it is not automatically set to 1 if TSTARTEN is 1 and the TSTART input is HIGH In this case tracing can only be restarted if MTB_FLOW WATERMARK or MTB_POSITION POI...

Page 233: ...and the MTB_POSITION 14 MASK 3 MTB_POSITION POINTER 11 MASK 1 bits remain unchanged This field causes the trace packet information to be stored in a circular buffer of size 2 MASK 4 bytes that can be...

Page 234: ...WATERMARK field value actions defined by the AUTOHALT and AUTOSTOP bits are performed 2 Reserved This field is reserved This read only field is reserved and always has the value 0 1 AUTOHALT If this...

Page 235: ...n BASEADDR This value is defined with a hardwired signal and the expression 0x2000_0000 RAM_Size 4 For example if the total RAM capacity is 16 KB this field is 0x1FFF_F000 18 3 1 5 Integration Mode Co...

Page 236: ...0 18 3 1 7 Claim TAG Clear Register MTB_TAGCLEAR The read write Claim Tag Clear Register is used to read the claim status on debug resources A read indicates the claim tag status Writing 1 to a specif...

Page 237: ...ister It is hardwired to specific values used during the auto discovery process by an external debug agent Address F000_0000h base FB4h offset F000_0FB4h Bit 31 30 29 28 27 26 25 24 23 22 21 20 19 18...

Page 238: ...value 0 3 Reserved This read only field is reserved and always has the value 1 2 BIT2 Connected to NIDEN or DBGEN signal 1 Reserved This read only field is reserved and always has the value 1 0 BIT0...

Page 239: ...tion DEVICECFG Hardwired to 0x0000_0000 18 3 1 13 Device Type Identifier Register MTB_DEVICETYPID This register indicates the device type ID It is hardwired to specific values used during the auto dis...

Page 240: ...0B9 ID2 to 0x0000_000B and all the others to 0x0000_0000 18 3 1 15 Component ID Register MTB_COMPIDn These registers indicate the component IDs They are hardwired to specific values used during the au...

Page 241: ...Register MTBDWT_TBCTRL 32 R W 2000_0000h 18 3 2 6 248 F000_1FC8 Device Configuration Register MTBDWT_DEVICECFG 32 R 0000_0000h 18 3 2 7 250 F000_1FCC Device Type Identifier Register MTBDWT_DEVICETYPI...

Page 242: ...ion controls This field is hardwired to 0xF00_0000 disabling all the remaining DWT functionality The specific fields and their state are MTBDWT_CTRL 27 NOTRCPKT 1 trace sample and exception trace is n...

Page 243: ...mparison If MTBDWT_COMP0 is used for a data value comparator and the access size is byte or halfword the data value must be replicated across all appropriate byte lanes of this register For example if...

Page 244: ...ce all fetches must be at least halfword aligned For MASK 0 and regardless of watch type address bits x 1 0 are ignored in the address comparison Using a mask means the comparator matches on a range o...

Page 245: ...W Reset 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 MTBDWT_FCT0 field descriptions Field Description 31 25 Reserved This field is reserved This read only field is reserved and always has the value 0 24 MATCHED Co...

Page 246: ...erved This read only field is reserved and always has the value 0 8 DATAVMATCH Data Value Match When this field is 1 it enables data value comparison For this implementation MTBDWT_COMP0 supports addr...

Page 247: ...0 0 0 0 0 0 0 0 0 Bit 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 R 0 FUNCTION W Reset 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 MTBDWT_FCT1 field descriptions Field Description 31 25 Reserved This field is reserved...

Page 248: ...use this value results in UNPREDICTABLE behavior 18 3 2 6 MTB_DWT Trace Buffer Control Register MTBDWT_TBCTRL The MTBDWT_TBCTRL register defines how the watchpoint comparisons control the actual trac...

Page 249: ...of MTBDWT_FCT1 MATCHED 1 Trigger TSTART based on the assertion of MTBDWT_FCT1 MATCHED 0 ACOMP0 Action based on Comparator 0 match When the MTBDWT_FCT0 MATCHED is set it indicates MTBDWT_COMP0 address...

Page 250: ...ion DEVICECFG Hardwired to 0x0000_0000 18 3 2 8 Device Type Identifier Register MTBDWT_DEVICETYPID This register indicates the device type ID It is hardwired to specific values used during the auto di...

Page 251: ...008 and all the others to 0x0000_0000 18 3 2 10 Component ID Register MTBDWT_COMPIDn These registers indicate the component IDs They are hardwired to specific values used during the auto discovery pro...

Page 252: ...component ID registers for each CoreSight component in the CoreSight system Figure 18 56 CoreSight discovery process ROM memory map Absolute address hex Register name Width in bits Access Reset value...

Page 253: ...tion 18 3 3 5 255 F000_2FF4 Component ID Register ROM_COMPID1 32 R See section 18 3 3 5 255 F000_2FF8 Component ID Register ROM_COMPID2 32 R See section 18 3 3 5 255 F000_2FFC Component ID Register RO...

Page 254: ...0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ROM_TABLEMARK field descriptions Field Description MARK Hardwired to 0x0000_0000 18 3 3 3 System Access Register ROM_SYSACCESS This register indicates syste...

Page 255: ...0008 and all the others to 0x0000_0000 18 3 3 5 Component ID Register ROM_COMPIDn These registers indicate the component IDs They are hardwired to specific values used during the auto discovery proces...

Page 256: ...Memory map and register definition KL02 Sub Family Reference Manual Rev 2 1 July 2013 256 Freescale Semiconductor Inc...

Page 257: ...usly while providing arbitration among the bus masters when they access the same slave 19 1 1 Features The crossbar switch includes these features Symmetric crossbar bus switch implementation Allows c...

Page 258: ...g when A higher priority master has An outstanding request to one slave port that has a long response time and A pending access to a different slave port and A lower priority master is also making a r...

Page 259: ...over the slave port NOTE In this arbitration mode a higher priority master can monopolize a slave port preventing accesses from any lower priority master to the port When a master makes a request to...

Page 260: ...aster After granted access to a slave port a master may perform as many transfers as desired to that port until another master makes a request to the same slave port The next master in line is granted...

Page 261: ...nts The bridge includes separate clock enable inputs for each of the slots to accommodate slower peripherals 20 1 1 Features Key features of the peripheral bridge are Supports peripheral slots with 8...

Page 262: ...on The peripheral bridge functions as a bus protocol translator between the crossbar switch and the slave peripheral bus The peripheral bridge manages all transactions destined for the attached slave...

Page 263: ...ystem clock The MCG operates in conjuction with a crystal oscillator which allows an external crystal ceramic resonator or another external clock source to produce the external reference clock 21 1 1...

Page 264: ...om the Crystal Oscillator Can be used as a source for the FLL Can be selected as the clock source for the MCU External clock monitor with reset and interrupt request capability to check for external c...

Page 265: ...HGO0 RANGE0 External DRS Clock Valid Peripheral BUSCLK IRCSCLK IRCS CLKS CLKS DCO LP Filter IREFS STOP CLKS IREFS MCG Crystal Oscillator Enable Detect External Reference Clock n 0 7 2n FLTPRSRV LOCRE...

Page 266: ...R W 04h 21 3 1 266 4006_4001 MCG Control 2 Register MCG_C2 8 R W 80h 21 3 2 267 4006_4002 MCG Control 3 Register MCG_C3 8 R W Undefined 21 3 3 269 4006_4003 MCG Control 4 Register MCG_C4 8 R W Undefi...

Page 267: ...ther RANGE 0 values Divide Factor is 512 101 If RANGE 0 0 Divide Factor is 32 for all other RANGE 0 values Divide Factor is 1024 110 If RANGE 0 0 Divide Factor is 64 for all other RANGE 0 values Divid...

Page 268: ...rystal oscillator 01 Encoding 1 High frequency range selected for the crystal oscillator 1X Encoding 2 Very high frequency range selected for the crystal oscillator 3 HGO0 High Gain Oscillator Select...

Page 269: ...atile memory is to be used it is your responsibility to copy that value from the nonvolatile memory location to this register 1 A value for SCTRIM is loaded during reset from a factory programmed loca...

Page 270: ...oding 1 Mid range 10 Encoding 2 Mid high range 11 Encoding 3 High range 4 1 FCTRIM Fast Internal Reference Clock Trim Setting FCTRIM controls the fast internal reference clock frequency by controlling...

Page 271: ...a logic 0 before the MCG enters any Stop mode Otherwise a reset request may occur when in Stop mode CME should also be set to a logic 0 before entering VLPR or VLPW power modes if the MCG is in BLPE...

Page 272: ...ed description for more information 0 IRCST Internal Reference Clock Status The IRCST bit indicates the current source for the internal reference clock select clock IRCSCLK The IRCST bit does not upda...

Page 273: ...equires that the FLL reference frequency to remain the same as what it was prior to the new clock mode switch Otherwise FLL filter and frequency values will change 0 FLL filter and FLL frequency will...

Page 274: ...L Address 4006_4000h base Bh offset 4006_400Bh Bit 7 6 5 4 3 2 1 0 Read ATCVL Write Reset 0 0 0 0 0 0 0 0 MCG_ATCVL field descriptions Field Description ATCVL ATM Compare Value Low Values are used by...

Page 275: ...mode of operation and is entered when all the following condtions occur 00 is written to C1 CLKS 1 is written to C1 IREFS In FEI mode MCGOUTCLK is derived from the FLL clock DCOCLK that is controlled...

Page 276: ...ails FLL Bypassed External FBE FLL bypassed external FBE mode is entered when all the following conditions occur 10 is written to C1 CLKS 0 is written to C1 IREFS C1 FRDIV must be written to divide ex...

Page 277: ...y time but the actual switch to the newly selected reference clocks is shown by the S IREFST bit When switching between engaged internal and engaged external modes the FLL will begin locking again aft...

Page 278: ...ven by either the fast internal reference clock 4 MHz IRC which can be divided down by the FRDIV factors or the slow internal reference clock 32 kHz IRC The IRCS clock frequency can be re targeted by...

Page 279: ...CG Fixed frequency clock The MCG Fixed Frequency Clock MCGFFCLK provides a fixed frequency clock source for other on chip peripherals see the block diagram This clock is driven by either the slow cloc...

Page 280: ...e ATM machine uses the successive approximation technique to adjust the IRC trim bits to generate the desired IRC trimmed frequency The ATM SARs each of the ATM IRC trim bits starting with the MSB For...

Page 281: ...ires first configuring the MCG for one of these three intermediate modes Care must be taken to check relevant status bits in the MCG status register reflecting all configuration changes within each mo...

Page 282: ...re the S IREFST bit is cleared and S CLKST bits have changed to 2 b10 indicating the external reference clock has been appropriately selected Although the FLL is bypassed it is still on in FBE mode 4...

Page 283: ...from FEI clock mode to FBI clock mode follow this procedure 1 Change C1 CLKS bits in C1 register to 2 b01 so that the internal reference clock is selected as the system clock source 2 Wait for S CLKST...

Page 284: ...al C1 FRDIV must be set to 3 b010 divide by 128 to devide the external frequency down to the required frequency between 31 25 and 39 0625 kHz In FBE FEE FBI and FEI modes at any time the application c...

Page 285: ...ection will include three mode switching examples using an MHz external crystal Chapter 21 Multipurpose Clock Generator MCG KL02 Sub Family Reference Manual Rev 2 1 July 2013 Freescale Semiconductor I...

Page 286: ...Initialization Application information KL02 Sub Family Reference Manual Rev 2 1 July 2013 286 Freescale Semiconductor Inc...

Page 287: ...r the MCU 22 2 Features and Modes Key features of the module are Supports 32 kHz crystals Low Range mode Voltage and frequency filtering to guarantee clock frequency and stability Optionally external...

Page 288: ...r the external reference clock source in this MCU The following figure shows the block diagram of the OSC module XTAL EXTAL XTL_CLK CNT_DONE_4096 OSC_CLK_OUT Mux 4096 Counter OSC Clock Enable STOP OSC...

Page 289: ...he other oscillator modes load capacitors Cx Cy and feedback resistor RF are required The following table shows all possible connections Table 22 2 External Caystal Resonator Connections Oscillator Mo...

Page 290: ...c Resonator Connections Connection 3 22 6 External Clock Connections In external clock mode the pins can be connected as shown below NOTE XTAL can be used as a GPIO when the GPIO alternate function is...

Page 291: ...er and frequency range must not be changed Address 4006_5000h base 0h offset 4006_5000h Bit 7 6 5 4 3 2 1 0 Read ERCLKEN 0 EREFSTEN 0 SC2P SC4P SC8P SC16P Write Reset 0 0 0 0 0 0 0 0 OSCx_CR field des...

Page 292: ...r Load Configure Configures the oscillator load 0 Disable the selection 1 Add 4 pF capacitor to the oscillator load 1 SC8P Oscillator 8 pF Capacitor Load Configure Configures the oscillator load 0 Dis...

Page 293: ...22 8 1 1 Off The OSC enters the Off state when the system does not require OSC clocks Upon entering this state XTL_CLK is static unless OSC is configured to select the clock from the EXTAL pad by clea...

Page 294: ...ut clock on OSC_CLK_OUT Its frequency is determined by the external components being used 22 8 1 4 External Clock Mode The OSC enters external clock state when it is enabled and external reference clo...

Page 295: ...are all capacitively coupled for leakage tolerance not sensitive to the DC level of EXTAL Also in this mode all external components except for the resonator itself are integrated which includes the lo...

Page 296: ...n the MCU enters Stop modes the OSC is functional depending on ERCLKEN and EREFSETN bit settings If both these bits are set the OSC is in operation After waking up from Very Low Leakage Stop VLLSx mod...

Page 297: ...ad operations from the program flash memory A write operation to program flash memory results in a bus error In addition the FMC provides two separate mechanisms for accelerating the interface between...

Page 298: ...ogramming model provides control and configuration of the FMC s features For details see the description of the MCM s Platform Control Register PLACR 23 5 Functional description The FMC is a flash acc...

Page 299: ...ample the user may adjust the controls to enable buffering per access type data or instruction NOTE When reconfiguring the FMC do not program the control and configuration inputs to the FMC while the...

Page 300: ...Functional description KL02 Sub Family Reference Manual Rev 2 1 July 2013 300 Freescale Semiconductor Inc...

Page 301: ...its from the 1 state erased to the 0 state programmed Only the erase operation restores bits from 0 to 1 bits cannot be programmed from a 0 to a 1 CAUTION A flash memory location must be in the erased...

Page 302: ...ed built in program and erase algorithms with verify 24 1 1 2 Other Flash Memory Module Features Internal high voltage supply generator for flash memory program and erase operations Optional interrupt...

Page 303: ...ck A macro within the flash memory module which provides the nonvolatile memory storage Flash Memory Module All flash blocks plus a flash management unit providing high level control and an interface...

Page 304: ...t like programmed 0 states the data retention limit may be reached from the last erase operation not from the programming time RWW Read While Write The ability to simultaneously read from one memory r...

Page 305: ...ty Register FSEC 24 3 2 Program Flash IFR Map The program flash IFR is nonvolatile information memory that can be read freely but the user has no erase and limited program capabilities see the Read On...

Page 306: ...eset value Section page 4002_0000 Flash Status Register FTFA_FSTAT 8 R W 00h 24 3 3 1 307 4002_0001 Flash Configuration Register FTFA_FCNFG 8 R W 00h 24 3 3 2 309 4002_0002 Flash Security Register FTF...

Page 307: ...4002_0012 Program Flash Protection Registers FTFA_FPROT1 8 R W Undefined 24 3 3 6 313 4002_0013 Program Flash Protection Registers FTFA_FPROT0 8 R W Undefined 24 3 3 6 313 24 3 3 1 Flash Status Regis...

Page 308: ...l flash command While ACCERR is set the CCIF flag cannot be cleared to launch a command The ACCERR bit is cleared by writing a 1 to it Writing a 0 to the ACCERR bit has no effect 0 No access error det...

Page 309: ...ated whenever a flash memory read collision error is detected see the description of FSTAT RDCOLERR 5 ERSAREQ Erase All Request This bit issues a request to the memory controller to execute the Erase...

Page 310: ...et sequence the register is loaded with the contents of the flash security byte in the Flash Configuration Field located in program flash memory The flash basis for the values is signified by X in the...

Page 311: ...s granted 01 Freescale factory access denied 10 Freescale factory access denied 11 Freescale factory access granted SEC Flash Security These bits define the security state of the MCU In the secure sta...

Page 312: ...se the FCCOB data set can be written in any order but you must provide all needed values which vary from command to command First set up all required FCCOB fields and then initiate the command s execu...

Page 313: ...or aligned longwords 4 bytes 24 3 3 6 Program Flash Protection Registers FTFA_FPROTn The FPROT registers define which logical program flash regions are protected from program and erase operations Prot...

Page 314: ...e protected from program and erase operations by setting the associated PROT bit In NVM Normal mode The protection can only be increased meaning that currently unprotected memory can be protected but...

Page 315: ...l regions within the flash memory can be protected from program and erase operations Protection is controlled by the following registers FPROTn For 2n program flash sizes four registers typically prot...

Page 316: ...error response as a result of a Read Collision Error event See the chip configuration information to determine if a bus error response is also supported 24 4 3 Flash Operation in Low Power Modes 24 4...

Page 317: ...e guaranteed from a flash block while any command is processing within that block The block arbitration logic detects any simultaneous access and reports this as a read collision error see the FSTAT R...

Page 318: ...the FCCOB registers are ignored Attempts to launch a flash command in VLP mode will be ignored 24 4 8 1 1 Load the FCCOB Registers The user must load the FCCOB registers with all parameters required...

Page 319: ...roceeds to execution when the parameter or protection step fails Instead command processing is terminated after setting the FSTAT CCIF bit 2 If the parameter and protection checks pass the command pro...

Page 320: ...h Command Write Sequence Flowchart 24 4 8 2 Flash Commands The following table summarizes the function of all flash commands FCMD Command Program flash Function 0x01 Read 1s Section Verify that a give...

Page 321: ...are unprotected 0x45 Verify Backdoor Access Key Release MCU security after comparing a set of user supplied security keys to those stored in the program flash 24 4 8 3 Flash Commands by Mode The follo...

Page 322: ...med states is measured from the last program time The user and factory levels become in effect a minimum safety margin i e if the reads pass at the tighter tolerances of the user and factory margins t...

Page 323: ...return invalid data to the MCU with the collision error flag FSTAT RDCOLERR set CAUTION Flash data must be in the erased state before being programmed Cumulative programming of bits adding more zeros...

Page 324: ...in current mode security FSTAT ACCERR An invalid margin code is supplied FSTAT ACCERR An invalid flash address is supplied FSTAT ACCERR Flash address is not longword aligned FSTAT ACCERR The requested...

Page 325: ...cription of margin reads Margin Read Commands Table 24 30 Margin Level Choices for Program Check Read Margin Choice Margin Level Description 0x01 Read at User margin 1 and User margin 0 0x02 Read at F...

Page 326: ...are read from the selected resource at the provided relative address and stored in the FCCOB register The CCIF flag sets after the Read Resource operation completes The Read Resource command exits wi...

Page 327: ...o permit execution of the Program Longword operation The programming operation is unidirectional It can only move NVM bits from the erased state 1 to the programmed state 0 Erased bits that fail to pr...

Page 328: ...Flash Sector operation completes The Erase Flash Sector command is suspendable see the FCNFG ERSSUSP bit and Figure 24 26 Table 24 38 Erase Flash Sector Command Error Handling Error Condition Error B...

Page 329: ...ector operation can be suspended and resumed multiple times There is a minimum elapsed time limit between the request to resume the Erase Flash Sector operation CCIF is cleared and the request to susp...

Page 330: ...SP Execute Yes DONE No ERSSUSP 1 Save Erase Algo Set CCIF No Yes Start New Resume Erase No Abort User Cmd Interrupt Suspend Set SUSPACK 1 ERSSCR Suspended Command Initiation Yes No Yes Yes ERSSCR Comp...

Page 331: ...SEC field to the unsecure state The security byte in the flash configuration field see Flash Configuration Field Description remains unaffected by the Read 1s All Blocks command If the read fails i e...

Page 332: ...d index values for the Read Once command range from 0x00 to 0x0F During execution of the Read Once command any attempt to read addresses within the program flash block containing this 64 byte field re...

Page 333: ...Fs erased is not allowed Valid record index values for the Program Once command range from 0x00 to 0x0F During execution of the Program Once command any attempt to read addresses within the program fl...

Page 334: ...fy operation1 FSTAT MGSTAT0 1 User margin read may be run using the Read 1s All Blocks command to verify all bits are erased 24 4 10 9 1 Triggering an Erase All External to the Flash Memory Module The...

Page 335: ...s Key command the flash memory module checks the FSEC KEYEN bits to verify that this command is enabled If not enabled the flash memory module sets the FSTAT ACCERR bit and terminates If the command i...

Page 336: ...of the Flash Configuration Field see Flash Configuration Field Description The following fields are available in the FSEC register The settings are described in the Flash Security Register FTFA_FSEC...

Page 337: ...or Access Key command is active program flash memory is not available for read access and returns invalid data The user code stored in the program flash memory must have a method of receiving the back...

Page 338: ...the flash memory module executes a sequence which establishes initial values for the flash block configuration parameters FPROT FOPT and FSEC registers FSTAT CCIF is cleared throughout the reset seque...

Page 339: ...ormation of the device 25 1 1 Features Following are the features of the ADC module Linear successive approximation algorithm with up to 12 bit resolution Up to 24 single ended external analog inputs...

Page 340: ...are channel select Automatic compare with interrupt for less than greater than or equal to within range or out of range programmable value Temperature sensor Hardware average function Selectable volta...

Page 341: ...CREN D AVGE AVGS ADCOFS V REFSH V REFSL SC2 CFG1 CFG2 ADLSMP ADLSTS ADLPC ADHSC Control sequencer Clock divide Bus clock SAR converter Offset subtractor Averager Formatting Compare logic initialize sa...

Page 342: ...ial as VSS 25 2 3 Analog Channel Inputs ADx The ADC module supports up to 24 single ended analog inputs A single ended input is selected for conversion through the SC1 ADCH channel select bits 25 3 Me...

Page 343: ...58 4003_B048 ADC Plus Side General Calibration Value Register ADC0_CLP1 32 R W 0000_0040h 25 3 15 358 4003_B04C ADC Plus Side General Calibration Value Register ADC0_CLP0 32 R W 0000_0020h 25 3 16 359...

Page 344: ...software trigger operation and therefore writes to the SC1B SC1n registers do not initiate a new conversion Address 4003_B000h base 0h offset 4d i where i 0d to 1d Bit 31 30 29 28 27 26 25 24 23 22 2...

Page 345: ...are result is true When the hardware average function is enabled or SC3 AVGE 1 COCO is set upon completion of the selected number of conversions determined by AVGS COCO in SC1A is also set at the comp...

Page 346: ...selected as input 00010 AD2 is selected as input 00011 AD3 is selected as input 00100 AD4 is selected as input 00101 AD5 is selected as input 00110 AD6 is selected as input 00111 AD7 is selected as in...

Page 347: ...ense of maximum clock speed 6 5 ADIV Clock Divide Select Selects the divide ratio used by the ADC to generate the internal clock ADCK 00 The divide ratio is 1 and the clock rate is input clock 01 The...

Page 348: ...at the start of a conversion and deactivated when conversions are terminated In this case there is an associated clock startup delay each time the clock source is re activated 00 Bus clock 01 Bus clo...

Page 349: ...conversion sequence is altered with 2 ADCK cycles added to the conversion time to allow higher speed conversion clocks 0 Normal conversion sequence selected 1 High speed conversion sequence selected w...

Page 350: ...0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ADCx_Rn field descriptions Field Description 31 16 Reserved This field is reserved This read only field is reserved and always has the value 0 D Data re...

Page 351: ...tatus and Control Register 2 ADCx_SC2 The status and control register 2 SC2 contains the conversion active hardware software trigger select compare function and voltage reference select of the ADC mod...

Page 352: ...for ACFGT to have any effect 0 Configures less than threshold outside range not inclusive and inside range not inclusive functionality based on the values placed in CV1 and CV2 1 Configures greater t...

Page 353: ...0 9 8 7 6 5 4 3 2 1 0 R 0 CAL CALF 0 ADCO AVGE AVGS W Reset 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ADCx_SC3 field descriptions Field Description 31 8 Reserved This field is reserved This read only field is r...

Page 354: ...only field is reserved and always has the value 0 3 ADCO Continuous Conversion Enable Enables continuous conversions 0 One conversion or one set of conversions if the hardware average function is ena...

Page 355: ...ptions Field Description 31 16 Reserved This field is reserved This read only field is reserved and always has the value 0 OFS Offset Error Correction Value 25 3 9 ADC Plus Side Gain Register ADCx_PG...

Page 356: ...specifications may not be met Address 4003_B000h base 34h offset 4003_B034h Bit 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 R 0 CLPD W Reset 0 0 0 0 0 0 0 0...

Page 357: ...31 10 Reserved This field is reserved This read only field is reserved and always has the value 0 CLP4 Calibration Value 25 3 13 ADC Plus Side General Calibration Value Register ADCx_CLP3 For more inf...

Page 358: ...s has the value 0 CLP2 Calibration Value 25 3 15 ADC Plus Side General Calibration Value Register ADCx_CLP1 For more information see CLPD register description Address 4003_B000h base 48h offset 4003_B...

Page 359: ...digital conversion on any of the software selectable channels All modes perform conversion by a successive approximation algorithm To meet accuracy specifications the ADC module must be calibrated usi...

Page 360: ...terminated In this case there is an associated clock startup delay each time the clock source is re activated To avoid the conversion time variability and latency associated with the ADACK clock start...

Page 361: ...aunch continuous conversions is observed and until conversion is aborted the ADC continues to do conversions on the same SCn register that initiated the conversion The hardware trigger function operat...

Page 362: ...ng a write to SC1A with SC1n ADCH not all 1 s if software triggered operation is selected that is when SC2 ADTRG 0 Following a hardware trigger or ADHWT event if hardware triggered operation is select...

Page 363: ...the last of the selected number of conversions is completed If the compare function is enabled the respective SC1n COCO sets and conversion result data is transferred only if the compare condition is...

Page 364: ...hronous clock output is enabled that is CFG2 ADACKEN 1 it remains active regardless of the state of the ADC or the MCU power mode Power consumption when the ADC is active can be reduced by setting CFG...

Page 365: ...e conversion is transferred to Rn upon completion of the conversion algorithm If the bus frequency is less than fADCK precise sample time for continuous conversions cannot be guaranteed when short sam...

Page 366: ...T Mode Base conversion time BCT 8b single ended 17 ADCK cycles 10b single ended 20 ADCK cycles 12b single ended 20 ADCK cycles Table 25 57 Long sample time adder LSTAdder CFG1 ADLSMP CFG2 ADLSTS Long...

Page 367: ...ADCK cycles 5 bus clock cycles AverageNum 1 BCT 20 ADCK cycles LSTAdder 0 HSCAdder 0 The resulting conversion time is generated using the parameters listed in the preceding table Therefore for a bus...

Page 368: ...d input is sampled and converted the result is placed in an accumulator from which an average is calculated once the selected number of conversions have been completed When hardware averaging is selec...

Page 369: ...equal to CV1 And the result is less than or equal to CV2 1 1 Greater than Outside range inclusive Compare true if the result is greater than or equal to CV1 Or the result is less than or equal to CV2...

Page 370: ...ty and needs If the application uses the ADC in a wide variety of configurations the configuration for which the highest accuracy is required should be selected or multiple calibrations can be done fo...

Page 371: ...y be stored in flash memory after an initial calibration and recovered prior to the first ADC conversion This method can reduce the calibration latency to 20 register store operations on all subsequen...

Page 372: ...addition An offset correction that results in an out of range value will be forced to the minimum or maximum value The minimum value for single ended conversions is 0x0000 To preserve accuracy the ca...

Page 373: ...nabled The bus clock bus clock divided by two and ADACK are available as conversion clock sources while in Wait mode The use of ALTCLK as the conversion clock source in Wait is dependent on the defini...

Page 374: ...ormal Stop mode if the respective ADC interrupt is enabled that is when SC1n AIEN 1 The result register Rn will contain the data from the first completed conversion that occurred during Normal Stop mo...

Page 375: ...o complete conversions an initialization procedure must be performed A typical sequence is 1 Calibrate the ADC by following the calibration instructions in Calibration function 2 Update CFG to select...

Page 376: ...0x00 00000000 Bit 7 ADACT 0 Flag indicates if a conversion is in progress Bit 6 ADTRG 0 Software trigger selected Bit 5 ACFE 0 Compare function disabled Bit 4 ACFGT 0 Not used in this example Bit 3 AC...

Page 377: ...pply pins Depending on the device the analog power and ground supplies VDDA and VSSA of the ADC module are available as VDDA and VSSA available as separate pins When available on a separate pin both V...

Page 378: ...e references specific to this MCU In some packages the external or alternate pairs are connected in the package to VDDA and VSSA respectively One of these positive references may be shared on the same...

Page 379: ...sentation or 0xFF which is full scale 8 bit representation If the input is equal to or less than VREFL the converter circuit converts it to 0x000 Input voltages between VREFH and VREFL are straight li...

Page 380: ...ified only if the following conditions are met There is a 0 1 F low ESR capacitor from VREFH to VREFL There is a 0 1 F low ESR capacitor from VDDA to VSSA If inductive isolation is used from the prima...

Page 381: ...in the 12 bit mode Each step ideally has the same height that is 1 code and width The width is defined as the delta between the transition points to one code and the next The ideal code width for an...

Page 382: ...ror is defined as the difference between the actual transfer function and the ideal straight line transfer function and includes all forms of error 25 6 2 6 Code jitter non monotonicity and missing co...

Page 383: ...ll range of the supply voltage The 6 bit DAC is 64 tap resistor ladder network which provides a selectable voltage reference for applications where voltage reference is needed The 64 tap resistor ladd...

Page 384: ...used for internal functions Two software selectable performance levels Shorter propagation delay at the expense of higher power Low power with longer propagation delay Functional in all modes of opera...

Page 385: ...NMUX MSEL 2 0 CMP CMP MUX DAC output DACEN Vin1 Vin2 Window and filter control CMPO Reference Input 0 Reference Input 1 Reference Input 2 Reference Input 3 Reference Input 4 Reference Input 5 Referenc...

Page 386: ...or module block diagram In the CMP block diagram The Window Control block is bypassed when CR1 WE 0 If CR1 WE 1 the comparator output will be sampled on every bus clock when WINDOW 1 to generate COUTA...

Page 387: ...26 7 4 390 4007_3004 DAC Control Register CMP0_DACCR 8 R W 00h 26 7 5 391 4007_3005 MUX Control Register CMP0_MUXCR 8 R W 00h 26 7 6 392 26 7 1 CMP Control Register 0 CMPx_CR0 Address 4007_3000h base...

Page 388: ...el are device specific See the Data Sheet of the device for the exact values 00 Level 0 01 Level 1 10 Level 2 11 Level 3 26 7 2 CMP Control Register 1 CMPx_CR1 Address 4007_3000h base 1h offset 4007_3...

Page 389: ...INV Comparator INVERT Allows selection of the polarity of the analog comparator function It is also driven to the COUT output on both the device pin and as SCR COUT when OPE 0 0 Does not invert the co...

Page 390: ...4007_3000h base 3h offset 4007_3003h Bit 7 6 5 4 3 2 1 0 Read 0 Reserved 0 IER IEF CFR CFF COUT Write w1c w1c Reset 0 0 0 0 0 0 0 0 CMPx_SCR field descriptions Field Description 7 Reserved This field...

Page 391: ...the current value of the Analog Comparator output when read The field is reset to 0 and will read as CR1 INV when the Analog Comparator module is disabled that is when CR1 EN 0 Writes to this field a...

Page 392: ...For INx inputs see CMP DAC and ANMUX block diagrams NOTE When an inappropriate operation selects the same input for both muxes the comparator automatically shuts down to prevent itself from becoming...

Page 393: ...function The filter CR0 FILTER_CNT can be clocked from an internal or external clock source The filter is programmable with respect to the number of samples that must agree before a change in the outp...

Page 394: ...sampled on every rising bus clock edge when SAMPLE 1 to generate COUTA which is then resampled on an interval determined by FILT_PER to generate COUT See the Windowed Resampled mode 6 7 1 1 0 0x01 0x...

Page 395: ...INM FILTER_CNT INV COUT COUT OPE SE CMPO to PAD COUTA 1 WE 0 SE CGMUX COS FILT_PER 0 FILT_PER COS IER F CFR F WINDOW SAMPLE 1 0 EN PMODE HYSTCTR 1 0 divided bus clock CMPO bus clock To other system fu...

Page 396: ...NV COUT COUT OPE SE CMPO to PAD COUTA 1 WE 0 SE 1 CGMUX COS FILT_PER 1 0 FILT_PER COS 0x01 IER F CFR F WINDOW SAMPLE 1 0 EN PMODE HYSTCTR 1 0 divided bus clock CMPO bus clock Internal bus Polarity sel...

Page 397: ...ock Internal bus Polarity select Window control Filter block Interrupt control To other SOC functions Clock prescaler Figure 26 17 Sampled Non Filtered 3B sampling interval internally derived 26 8 1 4...

Page 398: ...PLE 1 0 EN PMODE HYSTCTR 1 0 divided bus clock CMPO 0x01 Internal bus Polarity select Window control Filter block Interrupt control Clock prescaler To other SOC functions Figure 26 18 Sampled Filtered...

Page 399: ...now CR0 FILTER_CNT 1 which activates filter operation 26 8 1 5 Windowed mode s 5A 5B The following figure illustrates comparator operation in the Windowed mode ignoring latency of the analog comparat...

Page 400: ...k COS 0x01 IER F CFR F WINDOW SAMPLE Polarity select Window control Filter block Interrupt control divided bus clock Clock prescaler CMPO Internal bus To other SOC functions Figure 26 21 Windowed mode...

Page 401: ...Depending upon the sampling rate and window placement COUT may not see zero crossing events detected by the analog comparator Sampling period and or window placement must be carefully considered for...

Page 402: ...hed value is held when WINDOW 0 IRQ EN PMODE HYSCTR 1 0 INP INM FILTER_CNT INV COUT COUT OPE SE CMPO to PAD COUTA 0 1 WE 1 0 SE 0 CGMUX COS FILT_PER 0 1 FILT_PER bus clock COS IER F CFR F WINDOW SAMPL...

Page 403: ...Startup and operation A typical startup sequence is as follows The time required to stabilize COUT will be the power on delay of the comparators plus the largest propagation delay from a selected anal...

Page 404: ...ut voltages differ by less than the offset voltage of the differential comparator 26 8 4 1 Enabling filter modes Filter modes can be enabled by Setting CR0 FILTER_CNT 0x01 and Setting FPR FILT_PER to...

Page 405: ...tual output change within the nominal latency is the probability of a correct sample raised to the power of CR0 FILTER_CNT The following table summarizes maximum latency values for the various modes o...

Page 406: ...FR are cleared for a rising edge interrupt The interrupt request is deasserted SCR IEF and SCR CFF are cleared for a falling edge interrupt The interrupt request is deasserted 26 10 Digital to analog...

Page 407: ...1 connects to the primary voltage source as supply reference of 64 tap resistor ladder Vin2 connects to an alternate voltage source 26 12 DAC resets This module has a single reset input corresponding...

Page 408: ...o be enabled CMP Trigger mode depends on an external timer resource to periodically enable the CMP and 6 bit DAC in order to generate a triggered compare Upon setting TRIGM the CMP and DAC are placed...

Page 409: ...TPM used for many years on Freescale s 8 bit microcontrollers The TPM extends the functionality to support operation in low power modes by clocking the counter compare and capture registers from an as...

Page 410: ...Support the generation of hardware triggers when the counter overflows and per channel 27 1 3 Modes of Operation During debug mode the TPM can can be configured to temporarily pause all counting until...

Page 411: ...N input CNV CHNIE CHNF channel N interrupt channel N output signal output modes logic generation of channel N outputs signals in output compare EPWM and CPWM modes generation of channel 0 outputs sign...

Page 412: ...004 Counter TPM0_CNT 32 R W 0000_0000h 27 3 2 414 4003_8008 Modulo TPM0_MOD 32 R W 0000_FFFFh 27 3 3 415 4003_800C Channel n Status and Control TPM0_C0SC 32 R W 0000_0000h 27 3 4 416 4003_8010 Channel...

Page 413: ...set Bit 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 R 0 W Reset 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Bit 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 R 0 TOF TOIE CPWMS CMOD PS W w1c Reset 0 0 0 0 0 0 0 0 0 0...

Page 414: ...es in up down counting mode 4 3 CMOD Clock Mode Selection Selects the TPM counter clock modes When disabling the counter this field remain set until acknolwedged in the TPM clock domain 00 TPM counter...

Page 415: ...the MOD register latches the value into a buffer The MOD register is updated with the value of its write buffer according to MOD Register Update Additional writes to the MOD write buffer are ignored u...

Page 416: ...dge Only 11 Capture on Rising or Falling Edge 01 01 Output compare Toggle Output on match 10 Clear Output on match 11 Set Output on match 10 10 Edge aligned PWM High true pulses clear Output on match...

Page 417: ...nnel mode When a channel is disabled this bit will not change state until acknowledged in the TPM counter clock domain 4 MSA Channel Mode Select Used for further selections in the channel logic Its fu...

Page 418: ...ompare Status TPMx_STATUS The STATUS register contains a copy of the status flag CHnF bit in CnSC for each TPM channel as well as the TOF bit in SC for software convenience Each CHnF bit in STATUS is...

Page 419: ...tion 0 TPM counter has not overflowed 1 TPM counter has overflowed 7 2 Reserved This field is reserved This read only field is reserved and always has the value 0 1 CH1F Channel 1 Flag See the registe...

Page 420: ...the TPM counter will reload with zero and initialize PWM outputs to their default value when a rising edge is detected on the selected trigger input The trigger input is ignored if the TPM counter is...

Page 421: ...figures the TPM to use an externally generated global time base counter When an externally generated timebase is used the internal TPM counter is not used by the channels but can be used to generate a...

Page 422: ...counter is disabled The CMOD 1 0 bits may be read or written at any time Disabling the TPM counter by writing zero to the CMOD 1 0 bits does not affect the TPM counter value or other registers but mus...

Page 423: ...he TPM counter has these modes of operation up counting see Up Counting up down counting see Up Down Counting 27 4 3 1 Up Counting Up counting is selected when CPWMS 0 The value of zero is loaded into...

Page 424: ...3 2 Up Down Counting Up down counting is selected when CPWMS 1 When configured for up down counting configuring MOD to less than 2 is not supported The value of zero is loaded into the TPM counter an...

Page 425: ...channel input the current value of the TPM counter is captured into the CnV register at the same time the CHnF bit is set and the channel interrupt is generated if enabled by CHnIE 1 see the followin...

Page 426: ...rammable position polarity duration and frequency When the counter matches the value in the CnV register of an output compare channel the channel n output can be set cleared or toggled if MSnB is clea...

Page 427: ...mpare mode when the match clears the channel output channel n output CHnF bit TOF bit CNT MOD 0x0005 CnV 0x0003 counter overflow channel n match counter overflow channel n match counter overflow 0 1 2...

Page 428: ...If ELSnB ELSnA 0 0 when the counter reaches the value in the CnV register the CHnF bit is set and the channel n interrupt is generated if CHnIE 1 however the channel n output is not controlled by TPM...

Page 429: ...see the following figure MOD must be kept in the range of 0x0001 to 0x7FFF because values outside this range can produce ambiguous results In the CPWM mode the TPM counter counts up until it reaches...

Page 430: ...ing figure TOF bit 7 8 8 7 7 7 6 6 6 5 5 5 4 4 3 3 2 2 1 0 1 previous value CNT channel n output counter overflow channel n match in down counting channel n match in up counting channel n match in dow...

Page 431: ...ero If the selected mode is CPWM then MOD register is updated after MOD register was written and the TPM counter changes from MOD to MOD 1 27 4 8 2 CnV Register Update If CMOD 1 0 0 0 then CnV registe...

Page 432: ...input capture mode the channels outputs are zero the channels pins are not controlled by TPM ELS n B ELS n A 0 0 27 4 10 TPM Interrupts This section describes TPM interrupts 27 4 10 1 Timer Overflow I...

Page 433: ...nts allowing it to be used as a time of day counter 28 1 1 Features The features of the LPTMR module include 16 bit time counter or pulse counter with compare Optional interrupt can generate asynchron...

Page 434: ...able 28 2 LPTMR signal descriptions Signal I O Description LPTMR_ALTn I Pulse Counter Input pin 28 2 1 Detailed signal descriptions Table 28 3 LPTMR interface detailed signal descriptions Signal I O D...

Page 435: ...escription 31 8 Reserved This field is reserved This read only field is reserved and always has the value 0 7 TCF Timer Compare Flag TCF is set when the LPTMR is enabled and the CNR equals the CMR and...

Page 436: ...ed 0 CNR is reset whenever TCF is set 1 CNR is reset on overflow 1 TMS Timer Mode Select Configures the mode of the LPTMR TMS must be altered only when the LPTMR is disabled 0 Time Counter mode 1 Puls...

Page 437: ...clock by 1024 glitch filter recognizes change on input pin after 512 rising clock edges 1010 Prescaler divides the prescaler clock by 2048 glitch filter recognizes change on input pin after 1024 risi...

Page 438: ...hen the LPTMR is enabled and the CNR equals the value in the CMR and increments TCF is set and the hardware trigger asserts until the next time the CNR increments If the CMR is 0 the hardware trigger...

Page 439: ...r clocks The clock source must be enabled before the LPTMR is enabled NOTE The clock source selected may need to be configured to remain enabled in low power modes otherwise the LPTMR will not operate...

Page 440: ...tch filter directly clocks the CNR When the LPTMR is first enabled the output of the glitch filter is asserted that is logic 1 for active high and logic 0 for active low The following table shows the...

Page 441: ...er output in Time Counter mode with prescaler enabled Input source assertion in Pulse Counter mode with glitch filter bypassed Glitch filter output in Pulse Counter mode with glitch filter enabled The...

Page 442: ...gger will assert on each compare and deassert on the following increment of the CNR 28 4 7 LPTMR interrupt The LPTMR interrupt is generated whenever CSR TIE and CSR TCF are set CSR TCF is cleared by d...

Page 443: ...rate up to the bus clock divided by two in master mode and up to the bus clock divided by four in slave mode Software can poll the status flags or SPI operation can be interrupt driven NOTE For the ac...

Page 444: ...resumed after CPU enters Run mode If the SPI is configured as a slave reception and transmission of a byte continues so that the slave stays synchronized to the master Stop mode To reduce power consum...

Page 445: ...must be selected by a low level on the slave select input SS pin In this system the master device has configured its SS pin as an optional slave select output SPI SHIFTER MASTER 8 BITS CLOCK GENERATO...

Page 446: ...ripheral devices often use slightly different names for these pins ENABLE SPI SYSTEM SHIFT OUT SHIFT DIRECTION SHIFT CLOCK Rx BUFFER FULL Tx BUFFER EMPTY SHIFT IN Tx BUFFER WRITE SPIxD SPI SHIFT REGIS...

Page 447: ...OMI Also the bidirectional mode output enable bit determines whether the pin acts as an input BIDIROE is 0 or an output BIDIROE is 1 If SPC0 is 1 and slave mode is selected this pin is not used by the...

Page 448: ...Address offset hex Absolute address hex Register name Width in bits Access Reset value Section page 0 4007_6000 SPI Control Register 1 SPI0_C1 8 R W 04h 29 3 1 448 1 4007_6001 SPI Control Register 2 S...

Page 449: ...odule configured as a master SPI device 3 CPOL Clock Polarity Selects an inverted or non inverted SPI clock To transmit data between SPI modules the SPI modules must have identical CPOL values This bi...

Page 450: ..._C2 This read write register is used to control optional features of the SPI system Bit 6 is not implemented and always reads 0 Address 4007_6000h base 1h offset 4007_6001h Bit 7 6 5 4 3 2 1 0 Read SP...

Page 451: ...device is in Wait mode 0 SPI clocks continue to operate in Wait mode 1 SPI clocks stop when the MCU enters Wait mode 0 SPC0 SPI Pin Control 0 Enables bidirectional pin configurations 0 SPI uses separ...

Page 452: ...divisor is 8 SPR 3 0 SPI Baud Rate Divisor This 4 bit field selects one of nine divisors for the SPI baud rate divider The input to this divider comes from the SPI baud rate prescaler Refer to the des...

Page 453: ...he transmit buffer After completion of the transfer of the data in the shift register the queued data from the transmit buffer automatically moves to the shifter and SPTEF is set to indicate that room...

Page 454: ...n condition so the application system designer must ensure that previous data has been read from the receive buffer before a new transfer is initiated Address 4007_6000h base 5h offset 4007_6005h Bit...

Page 455: ...ntrol Register 1 SPIx_C1 select one of four possible clock formats to be used by the SPI system The CPOL bit simply selects a non inverted or inverted clock C1 CPHA is used to accommodate two fundamen...

Page 456: ...C1 MSTR and also disables the slave output buffer MISO or SISO in bidirectional mode As a result all outputs are disabled and SPSCK MOSI and MISO are inputs If a transmission is in progress when the m...

Page 457: ...the SPI shift register occurs Although the SPI is capable of duplex operation some SPI peripherals are capable of only receiving SPI data in a slave mode For these simpler devices there is no serial...

Page 458: ...ct one of four clock formats for data transfers C1 CPOL selectively inserts an inverter in series with the clock C1 CPHA chooses between two different clock phase relationships between the clock and d...

Page 459: ...eir MISO and MOSI inputs respectively At the third SPSCK edge the SPI shifter shifts one bit position which shifts in the bit value that was just sampled and shifts the second data bit value out the o...

Page 460: ...ster The MOSI waveform applies to the MOSI output pin from a master and the MISO waveform applies to the MISO output from a slave The SS OUT waveform applies to the slave select output from a master p...

Page 461: ...5 6 7 or 8 The three rate select bits SPR3 SPR2 SPR1 SPR0 divide the output of the prescaler stage by 2 4 8 16 32 64 128 256 or 512 to get the internal SPI master mode bit rate clock The baud rate ge...

Page 462: ...mode the SPI uses only one serial data pin for the interface with one or more external devices C1 MSTR decides which pin to use The MOSI pin becomes the serial data I O MOMI pin for the master mode a...

Page 463: ...he MODF bit in the SPI status register automatically provided that C2 MODFEN is set In the special case where the SPI is in master mode and C2 MODFEN is cleared the SS pin is not used by the SPI In th...

Page 464: ...ule enters a power conservation state when the CPU is in wait mode If C2 SPISWAI is set and the SPI is configured for master any transmission and reception in progress stops at Wait mode entry The tra...

Page 465: ...stop mode the SPI module clock is disabled held high or low If the SPI is in master mode and exchanging data when the CPU enters the Stop mode the transmission is frozen until the CPU exits stop mode...

Page 466: ...which event caused the interrupt The service routine should also clear the flag bit s before returning from the ISR usually near the beginning of the ISR 29 4 10 1 MODF MODF occurs when the master de...

Page 467: ...1 2 The CPU is in Wait mode in which case C2 SPISWAI must be 1 or in Stop mode where the peripheral bus clock is stopped but internal logic states are retained 3 The SPI module is in slave mode 4 The...

Page 468: ...master mode with only hardware match interrupts enabled The SPI runs at a maximum baud rate of bus clock divided by 2 Clock phase and polarity are set for an active high SPI clock where the first edge...

Page 469: ...hen receive data buffer is full Bit 6 SPMF 0 Flag is set when SPIx_M receive data buffer Bit 5 SPTEF 0 Flag is set when transmit data buffer is empty Bit 4 MODF 0 Mode fault flag for master mode Bit 3...

Page 470: ...S YES YES READ WRITE TO SPRF 1 SPTEF 1 INITIALIZE SPI SPIxC1 0x54 SPIxC2 SPIxBR 0x00 0x80 SPIxD SPIxD Figure 29 18 Initialization Flowchart Example for SPI Master Device Initialization application inf...

Page 471: ...hat can be connected are limited by a maximum bus capacitance of 400 pF 30 1 1 Features The I2C module has the following features Compatible with The I2C Bus Specification Multimaster operation Softwa...

Page 472: ...e Wait mode The module continues to operate when the core is in Wait mode and can provide a wakeup interrupt Stop mode The module is inactive in Stop mode for reduced power consumption except that add...

Page 473: ...ions The signal properties of I2C are shown in the following table Table 30 1 I2C signal descriptions Signal Description I O SCL Bidirectional serial clock line of the I2C system I O SDA Bidirectional...

Page 474: ...3 476 4006_7003 I2C Status register I2C1_S 8 R W 80h 30 3 4 477 4006_7004 I2C Data I O register I2C1_D 8 R W 00h 30 3 5 479 4006_7005 I2C Control Register 2 I2C1_C2 8 R W 00h 30 3 6 479 4006_7006 I2C...

Page 475: ...rom the falling edge of SCL I2C clock to the changing of SDA I2C data SDA hold time bus period s mul SDA hold value The SCL start hold time is the delay from the falling edge of SDA I2C data while SCL...

Page 476: ...be set according to the type of transfer required Therefore for address cycles this bit is always set When addressed as a slave this bit must be set by software according to the SRW bit in the status...

Page 477: ...ading the I2C data register in receive mode or by writing to the I2C data register in transmit mode 0 Transfer in progress 1 Transfer complete 6 IAAS Addressed As A Slave This bit is set by one of the...

Page 478: ...IICIF Interrupt Flag This bit sets when an interrupt is pending This bit must be cleared by software by writing a 1 to it such as in the interrupt routine One of the following events can set this bit...

Page 479: ...egister does not initiate the receive Reading the Data register returns the last byte received while the I2C module is configured in master receive or slave receive mode The Data register does not ref...

Page 480: ...sters When this bit is set a slave address match occurs for any address greater than the value of the A1 register and less than or equal to the value of the RA register 0 Range mode disabled No addres...

Page 481: ...it was set to 1 before the MCU entered stop mode system software will receive the interrupt triggered by the I2C Status Register s TCF bit after the MCU wakes from the stop mode 0 Stop holdoff is disa...

Page 482: ...Functional description This section provides a comprehensive functional description of the I2C module 30 4 1 I2C protocol The I2C bus system uses a serial data line SDA and a serial clock line SCL for...

Page 483: ...T signal A START signal is defined as a high to low transition of SDA while SCL is high This signal denotes the beginning of a new data transfer each data transfer might contain several bytes of data...

Page 484: ...signaled from the receiving device by pulling SDA low at the ninth clock In summary one complete data transfer needs nine clock pulses If the slave receiver does not acknowledge the master in the nint...

Page 485: ...e the transition from master to slave mode does not generate a STOP condition Meanwhile hardware sets a status bit to indicate the loss of arbitration 30 4 1 7 Clock synchronization Because wire AND l...

Page 486: ...L low a slave can drive SCL low for the required period and then release it If the slave s SCL low period is greater than the master s SCL low period the resulting SCL bus signal s low period is stret...

Page 487: ...286 289 0D 48 11 20 25 2D 640 97 318 321 0E 56 13 24 29 2E 768 129 382 385 0F 68 13 30 35 2F 960 129 478 481 10 48 9 18 25 30 640 65 318 321 11 56 9 22 29 31 768 65 382 385 12 64 13 26 33 32 896 129 4...

Page 488: ...bits 11110 AD10 AD9 R W 0 A1 Slave address second byte AD 8 1 A2 Data A Data A A P After the master transmitter has sent the first byte of the 10 bit address the slave receiver sees an I2C interrupt U...

Page 489: ...ry slave address always participates in the address matching process It provides a 7 bit address If the ADEXT bit is set AD 10 8 in Control Register 2 participates in the address matching process It e...

Page 490: ...F IICIE I2C bus stop detection STOPF IICIF IICIE STOPIE Wakeup from stop or wait mode IAAS IICIF IICIE WUEN 30 4 5 1 Byte transfer interrupt The Transfer Complete Flag TCF bit is set at the falling ed...

Page 491: ...SDA is sampled as low when the master drives high during the acknowledge bit of a data receive cycle 3 A START cycle is attempted when the bus is busy 4 A repeated START cycle is requested in slave mo...

Page 492: ...eeded to transfer packets The SCL line is not held low until the I2C module resets after address matching The main purpose of this feature is to wake the MCU from a low power mode where no peripheral...

Page 493: ...4 Initialize RAM variables used to achieve the routine shown in the following figure 5 Write Control Register 1 to enable TX 6 Write Control Register 1 to enable MST master mode 7 Write Data register...

Page 494: ...m Data reg N Y N N N N N N Y Y Y Y Y read N write N Y Rx Tx Rx Tx Y N Address transfer see note 1 Data transfer see note 2 N Y Y Y Notes 1 If general call is enabled check to determine if the received...

Page 495: ...rate oversampling ratio from 4x to 32x Interrupt or polled operation Transmit data register empty and transmission complete Receive data register full Receive overrun parity error framing error and n...

Page 496: ...p mode 31 1 2 2 Wait mode The UART can be configured to Stop in Wait modes when the DOZEEN bit is set The transmitter and receiver will finish transmitting receiving the current word 31 1 2 3 Debug mo...

Page 497: ...Logic Loop Control To Receive Data In To TxD Pin Tx Interrupt Request LOOPS RSRC TIE TC TDRE M PT PE TCIE TE SBK T8 TXDIR Load From UARTx_D TXINV BRK13 ASYNCH MODULE CLOCK BAUD Divider OSR Divider Fi...

Page 498: ...ccess Reset value Section page 4006_A000 UART Baud Rate Register High UART0_BDH 8 R W 00h 31 2 1 499 4006_A001 UART Baud Rate Register Low UART0_BDL 8 R W 04h 31 2 2 500 4006_A002 UART Control Registe...

Page 499: ...pt Enable for LBKDIF 0 Hardware interrupts from UART_S2 LBKDIF disabled use polling 1 Hardware interrupt requested when UART_S2 LBKDIF flag is 1 6 RXEDGIE RX Input Active Edge Interrupt Enable for RXE...

Page 500: ...2 0 are referred to collectively as BR They set the modulo divide rate for the baud rate generator When BR is 1 8191 the baud rate equals baud clock OSR 1 BR 31 2 3 UART Control Register 1 UARTx_C1 Th...

Page 501: ...ceiver and transmitter use 9 bit data characters 3 WAKE Receiver Wakeup Method Select 0 Idle line wakeup 1 Address mark wakeup 2 ILT Idle Line Type Select Setting this bit to 1 ensures that the stop b...

Page 502: ...is 1 3 TE Transmitter Enable TE must be 1 to use the UART transmitter When TE is set the UART forces the UART_TX pin to act as an output for the UART system When the UART is configured for single wir...

Page 503: ...transmitter operation 1 Queue break character s to be sent 31 2 5 UART Status Register 1 UARTx_S1 Address 4006_A000h base 4h offset 4006_A004h Bit 7 6 5 4 3 2 1 0 Read TDRE TC RDRF IDLE OR NF FE PF Wr...

Page 504: ...OR is set when a new serial character is ready to be transferred to the receive data buffer but the previously received character has not been read from UART_D yet In this case the new character and...

Page 505: ...ARTx_S2 field descriptions Field Description 7 LBKDIF LIN Break Detect Interrupt Flag LBKDIF is set when the LIN break detect circuitry is enabled and a LIN break character is detected LBKDIF is clear...

Page 506: ...tted break character length Detection of a framing error is not affected by the state of this bit This bit should only be changed when the transmitter is disabled 0 Break character is transmitted with...

Page 507: ...buffer after UART_D is written so T8 should be written if it needs to change from its previous value before UART_D is written If T8 does not need to change in the new value such as when it is used to...

Page 508: ...g 1 Hardware interrupt requested when PF is set 31 2 8 UART Data Register UARTx_D This register is actually two separate registers Reads return the contents of the read only receive data buffer and wr...

Page 509: ...nd MA2 registers are compared to input data addresses when the most significant bit is set and the associated C4 MAEN bit is set If a match occurs the following data is transferred to the data registe...

Page 510: ...h Address Mode Enable 1 Refer to Match address operation for more information 0 All data received is transferred to the data buffer if MAEN2 is cleared 1 All data received with the most significant bi...

Page 511: ...read only field is reserved and always has the value 0 1 BOTHEDGE Both Edge Sampling Enables sampling of the received data on both edges of the baud rate clock effectively doubling the number of times...

Page 512: ...d rate clock divided by the over sampling ratio Depending on the over sampling ratio the receiver has an acquisition rate of 4 to 32 samples per bit time Rx Sampling Clock OSR 1 Baud Rate Baud Rate Mo...

Page 513: ...ART_TX high waiting for more characters to transmit Writing 0 to C2 TE does not immediately disable the transmitter The current transmit activity in progress must first be completed This includes data...

Page 514: ...r functional description Next the data sampling technique used to reconstruct receiver data is described in more detail Finally two variations of the receiver wakeup function are explained The receive...

Page 515: ...is considered synchronized the receiver restarts the sampling from the first segment The receiver then samples each bit time including the start and stop bits at OSR 2 OSR 2 1 and OSR 2 2 to determin...

Page 516: ...ode UART_C2 RWU is cleared automatically when the receiver detects a full character time of the idle line level The UART_C1 M and UART_C4 M10 control bit selects 8 bit to 10 bit data mode and the UART...

Page 517: ...matches All subsequent frames received with a logic 0 in the bit position immediately preceding the stop bit are considered to be data associated with the address and are transferred to the receive da...

Page 518: ...n the ninth bit or it is used with address mark wakeup so the ninth data bit can serve as the wakeup bit The 10 bit data mode is typically used with parity and address mark wakeup so the ninth data bi...

Page 519: ...hen there is room in the transmit data buffer to write another transmit character to UART_D If the transmit interrupt enable UART_C2 TIE bit is set a hardware interrupt is requested when UART_S1 TDRE...

Page 520: ...ter is ready to be transferred from the receive shifter to the receive data buffer the overrun UART_S1 OR flag is set instead of the data along with any associated NF FE or PF condition is lost At any...

Page 521: ...register displays the logic value on each pin when the pin is configured for any digital function provided the corresponding Port Control and Interrupt module for that pin is enabled Efficient bit man...

Page 522: ...ot all pins within each port are implemented on each device See the chapter on signal multiplexing for the number of GPIO ports available in the device 32 1 3 1 Detailed signal description Table 32 3...

Page 523: ...3 525 400F_F00C Port Toggle Output Register GPIOA_PTOR 32 W always reads 0 0000_0000h 32 2 4 525 400F_F010 Port Data Input Register GPIOA_PDIR 32 R 0000_0000h 32 2 5 526 400F_F014 Port Data Direction...

Page 524: ...alue when read 0 Logic level 0 is driven on pin provided pin is configured for general purpose output 1 Logic level 1 is driven on pin provided pin is configured for general purpose output 32 2 2 Port...

Page 525: ...es not change 1 Corresponding bit in PDORn is cleared to logic 0 32 2 4 Port Toggle Output Register GPIOx_PTOR Address Base address Ch offset Bit 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14...

Page 526: ...rrupt module is disabled then the corresponding bit in PDIR does not update 0 Pin logic level is logic 0 or is not configured for use by digital function 1 Pin logic level is logic 1 32 2 6 Port Data...

Page 527: ...OA_PSOR 32 W always reads 0 0000_0000h 32 3 2 528 F800_0008 Port Clear Output Register FGPIOA_PCOR 32 W always reads 0 0000_0000h 32 3 3 529 F800_000C Port Toggle Output Register FGPIOA_PTOR 32 W alwa...

Page 528: ...1 is driven on pin provided pin is configured for general purpose output 32 3 2 Port Set Output Register FGPIOx_PSOR This register configures whether to set the fields of the PDOR Address Base address...

Page 529: ...es not change 1 Corresponding bit in PDORn is cleared to logic 0 32 3 4 Port Toggle Output Register FGPIOx_PTOR Address Base address Ch offset Bit 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14...

Page 530: ...onfigured for use by digital function 1 Pin logic level is logic 1 32 3 6 Port Data Direction Register FGPIOx_PDDR The PDDR configures the individual port pins for input or output Address Base address...

Page 531: ...To facilitate efficient bit manipulation on the general purpose outputs pin data set pin data clear and pin data toggle registers exist to allow one or more outputs within one port to be set cleared...

Page 532: ...Functional description KL02 Sub Family Reference Manual Rev 2 1 July 2013 532 Freescale Semiconductor Inc...

Page 533: ...pt vector assignments to specify the NVIC wake up sources support only down to VLPS Multipurpose Clock Generator MCG Removed PLL feature Removed Example 1 KL02 does not support external clock of 4 MHz...

Page 534: ...KL02 Sub Family Reference Manual Rev 2 1 July 2013 534 Freescale Semiconductor Inc...

Page 535: ...consequential or incidental damages Typical parameters that may be provided in Freescale data sheets and or specifications can and do vary in different applications and actual performance may vary ove...

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