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NXP Semiconductors TWR-KV31F120M, User Manual

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TWR-KV31F120M Tower Module, User’s Guide, Rev. 0, 03/2014

Freescale Semiconductor Inc.

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TWR-KV31F120M features

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TWR-KV31F120M features

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Tower-compatible microcontroller module. 

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KV31F512VLL12 MCU (120 MHz, 512 KB Flash, 96 KB RAM, low power, 100 LQFP package).

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General-purpose Tower Plug-in (TWRPI) socket.

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On-board debug circuit: K20DX128VFM5 (OpenSDA) with virtual serial port.

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FXOS8700CQ: 6-Axis Digital Sensor Acceler Magnetometer.

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Four (4) user-controllable LEDs plus RGB LED. 

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Four (4) user pushbutton switches for GPIO interrupts.

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One (1) user pushbutton switch for MCU reset.

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Potentiometer.

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Get to know the TWR-KV31F120M

Figure 2. Front side of TWR-KV31F120M module 

(TWRPI devices not shown)

Summary of Contents for TWR-KV31F120M

Page 1: ...eescale com tower for additional Tower System microcontroller modules and compatible peripherals Document Number TWRKV31F120MUG Rev 0 03 2014 Contents 1 TWR KV31F120M 1 2 Contents 2 3 TWR KV31F120M features 3 4 Get to know the TWR KV31F120M 3 5 Reference documents 4 6 Hardware description 4 6 1 Microcontroller 5 6 2 Clocking 6 6 3 System power 6 6 4 Debug interface 6 6 5 Accelerometer plus Magneto...

Page 2: ... Rev 0 03 2014 2 Freescale Semiconductor Inc Contents Figure 1 Freescale tower system overview 2 Contents The TWR KV31F120M contents include TWR KV31F120M board assembly A to micro B USB cable for debug interface and power Quick start guide ...

Page 3: ...LQFP package General purpose Tower Plug in TWRPI socket On board debug circuit K20DX128VFM5 OpenSDA with virtual serial port FXOS8700CQ 6 Axis Digital Sensor Accelerometer Magnetometer Four 4 user controllable LEDs plus RGB LED Four 4 user pushbutton switches for GPIO interrupts One 1 user pushbutton switch for MCU reset Potentiometer 4 Get to know the TWR KV31F120M Figure 2 Front side of TWR KV31...

Page 4: ...erence manual Tower configuration tool Tower mechanical drawing 6 Hardware description The TWR KV31F120M is a Tower MCU Module featuring the KV31F512VLL12 a Kinetis V Series microcontroller in a 100 LQFP package with high speed run mode It is intended for use in the Freescale Tower System but can also operate alone An on board OpenSDA debug circuit provides a Serial Wire Debug SWD interface and a ...

Page 5: ... a safe state Optional analog voltage reference provides an accurate reference to analog blocks and replaces external voltage references to reduce system cost Performance 120 MHz ARM Cortex M4F core with DSP and FPU instruction set single cycle MAC and single instruction multiple data SIMD extensions Up to 16 channel DMA for peripheral and memory servicing with reduced CPU loading and faster syste...

Page 6: ... micro B connector J21 Two low dropout regulators provide 3 3 V and 1 8 V supplies from the 5 0 V input voltage All of the user selectable options can be configured using two headers J1 and J5 Refer to sheet 4 of the TWR KV31F120M schematics for more details 6 4 Debug interface There are two debug interface options provided the on board OpenSDA circuit and an external ARM Cortex JTAG connector The...

Page 7: ...or Accelerometer Magnetometer is connected to the KV31F512VLL12 MCU through an I2C interface I2C0 and GPIO IRQ signals PTD0 and PTE24 Pin Function TWR KV31F120M connection 1 VTref 3 3 V MCU supply MCU_PWR 2 TMS SWDIO PTA3 UART0_RTS_b FTM0_CH0 JTAG_TMS SWD_DIO 3 GND GND 4 TCK SWCLK PTA0 UART0_CTS_b FTM0_CH5 JTAG_CLK SWD_CLK EZP_CLK 5 GND GND 6 TDO SWO PTA2 UART0_TX FTM0_CH7 JTAG_TDO TRACE_SWO EZP_D...

Page 8: ...se Tower Plug in TWRPI socket The TWR KV31F120M features a socket J6 and J7 that can accept a variety of different Tower Plug in modules featuring sensors RF transceivers and other peripherals The General Purpose TWRPI socket provides access to I2C SPI IRQs GPIOs timers analog conversion signals TWRPI ID signals reset and voltage supplies The pinout for the TWRPI Socket is defined in Table 3 Table...

Page 9: ...4 Timer 20 Resist 20 UART UART_CTS or GPIO GPIO5 Timer Option Jumper Setting Description Clock Input Source Selection J25 1 2 Connect main EXTAL to on board 8 MHz crystal 2 3 Connect EXTAL to CLKIN0 signal on Primary Elevator B24 Debug Target Power J20 ON Connect P5V_SDA to target power OFF Disconnect P5V_SDA from target power Tower Voltage Regulator Input Selector J1 1 2 Default Connect P5V_TRG_S...

Page 10: ...ess J4 ON Pull accelerometer magnetometer SA0 low OFF Pull accelerometer magnetometer SA0 high Magnetometer I2C Slave Address J8 ON Pull magnetometer SA1 high OFF Pull magnetometer SA1 low also used for accelerometer GND Accelerometer Magnetometer I2C Interrupt 1 J11 ON Connect PTD0 to INT1 OFF Disconnect PTD0 from INT1 Accelerometer Magnetometer I2C Interrupt 2 J10 ON Connect PTE24 to INT2 OFF Di...

Page 11: ...ter is standard MMA8451Q Accelerometer is optional The following figure shows jumper default position on TWR KV31F120M Figure 4 Jumper default position 8 Useful links www freescale com freescale com Kinetis www iar com freescale www pemicro com http www pemicro com opensda www segger com http www segger com jlink flash download html ...

Page 12: ...V31F120M Tower Module User s Guide Rev 0 03 2014 12 Freescale Semiconductor Inc Revision history 9 Revision history Table 5 Revision history Revision number Date Substantial changes 0 03 2014 Initial release ...

Page 13: ...ay be provided in Freescale data sheets and or specifications can and do vary in different applications and actual performance may vary over time All operating parameters including typicals must be validated for each customer application by customer s technical experts Freescale does not convey any license under its patent rights nor the rights of others Freescale sells products pursuant to standa...

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