TWRMCF51JGUM
TWR-MCF51JG Tower Module User's Manual
Page 21 of 21
Pin #
Side B
Side A
Name
Usage
78
NC
79
80
81
GND
82
3.3V
P3V3
Page 1: ...Freescale Semiconductor Inc TWRMCF51JGUM TWR MCF51JG Tower Module User s Manual Rev 1 1...
Page 2: ...Started 6 1 4 Reference Documents 6 2 Hardware Description 7 2 1 MCF51JG Microcontroller 7 2 2 Clocking 8 2 3 System Power 9 2 4 Debug Interface 13 2 4 1 OSBDM 13 2 5 Accelerometer 13 2 6 Pushbuttons...
Page 3: ...ter Circuit 13 Figure 7 USB dual role interface 16 List of Tables Table 1 J10 Regulator Power Source Selection 9 Table 2 J9 Board Power Source Selection 11 Table 3 J12 Board Power Source Selection 11...
Page 4: ...re and enabled by innovative 90nm thin film storage TFS flash process technology with FlexMemory The MCF51Jx families offer a rich combination of additive peripherals including USB hardware encryption...
Page 5: ...dary Elevator Modules TWR PROTO Prototyping module 1 2 Features Figure 2 shows the TWR MCF51JG with some of the key features called out The following list summarizes the features of the TWR MCF51JG To...
Page 6: ...elow should be referenced for more information on the ColdFire devices Freescale Tower System and the TWR MCF51JG Controller Module These can be found in the documentation section of freescale com TWR...
Page 7: ...sections describe the hardware in more detail Figure 3 TWR MCF51JG Block Diagram 2 1 MCF51JG Microcontroller The TWR MCF51JG module features the MCF51JG256CFT The key features of the microcontroller a...
Page 8: ...Clocking The ColdFire MCUs start up from an internal digitally controlled oscillator DCO Software can enable the main external oscillator EXTAL XTAL if desired The external oscillator resonator for t...
Page 9: ...vide 3 3V and 2 0V supplies from the 5 0V input voltage Additionally the 3 3V regulator built into the MCF51JG can be selected All the user selectable options can be configured using two headers J9 an...
Page 10: ...s Manual Page 10 of 21 1 2 7 8 6 8 Power from the Tower Primary Connector USB device interface supplied to the MCF51JG on chip regulator 1 2 7 8 3 5 2 4 Power from the MCF51JG USB device interface J8...
Page 11: ...s 1 2 when J9 is in this configuration It is recommended to remove the shunt from J10 1 2 and use it on J9 for this setting 1 2 7 8 An external battery or other alternate source can be connected to pi...
Page 12: ...TWRMCF51JGUM TWR MCF51JG Tower Module User s Manual Page 12 of 21...
Page 13: ...8 JM60 BDM which is directly next to J17 J18 provides a debug connection to the OSBDM MCU MC9S08JM60 2 4 1 OSBDM An on board MC9S08JM60 based Open Source BDM OSBDM circuit provides a BDM debug interfa...
Page 14: ...and Pin Usage Table for more information 2 7 General Purpose Tower Plug in TWRPI Socket The TWR MCF51JG features a socket that can accept a variety of different Tower Plug in modules featuring sensors...
Page 15: ...2 8 USB The MCF51JG features a USB full speed low speed OTG Host Device controller with built in transceiver The TWR MCF51JG routes the USB D and D signals from the MCF51JG MCU to either the on board...
Page 16: ...ion ON Connect PTA1 to USB power switch enable input OFF Disconnect PTA1 from USB power switch enable J2 USB Power Switch Flag Output Connection ON Connect PTA2 to USB power switch over current flag o...
Page 17: ...ith the LEDs switches and other I O interfaces onboard the TWR MCF51JG Note Some port pins are used in multiple interfaces on board and many are potentially connected to off board resources via the To...
Page 18: ...0_SDA IRQ1 PTC4 IRQ1 SCI1_RTS IRQ2 PTC5 IRQ2 SCI1_CTS TWRPI TWRPI I2C SCL J7 Pin 3 PTB2 IIC0_SCL Accelerometer TWRPI I2C SDA J7 Pin 4 PTB3 IIC0_SDA Accelerometer TWRPI SPI MISO J7 Pin 9 PTC2 SPI1_MISO...
Page 19: ...Side A Name Usage Name Usage 1 5V P5V_ELEV 1 5V P5V_ELEV 2 GND GND 2 GND GND 3 3 3V P3V3 3 3 3V P3V3 4 ELE_PS_SENSE_1 ELE_PS_SENSE 4 3 3V P3V3 5 GND GND 5 GND GND 6 GND GND 6 GND GND 7 SDHC_CLK SPI1_...
Page 20: ...6 SPI0_CS0_b PTD0 46 NC 47 NC 47 NC 48 SPI0_CLK PTD3 48 NC 49 GND GND 49 NC 50 I2C1_SCL PTA1 50 NC 51 I2C1_SDA PTA2 51 NC 52 GPIO5 PTC0 52 NC 53 NC 53 NC 54 NC 54 USB0_DN JG_ELEV_USB0_DN 55 IRQ_H PTB1...
Page 21: ...TWRMCF51JGUM TWR MCF51JG Tower Module User s Manual Page 21 of 21 Pin Side B Pin Side A Name Usage Name Usage 78 NC 78 NC 79 NC 79 NC 80 NC 80 NC 81 GND GND 81 GND GND 82 3 3V P3V3 82 3 3V P3V3...
