TWR-MCF51JG Tower Module - User`s Manual
Contents
1. Jumper Option Setting Description n USB Power Switch Enable ON Connect to USB power switch enable input Input Connection OFF Disconnect PTA1 from USB power switch enable ON Connect PTA2 to USB power switch over current 2 USB Power Switch Flag flag output Output Connection OFF Disconnect PTA2 from USB power switch over current flag output 812 Connect 5 1 RX SPI1 MISO to 5 1 MISO JA 5 1 5 1 Connection on Primary Edge Selection 2 3 Connect 5 1 RX SPI1 MISO to SCI1_RX RXD1 on Primary Edge 41 25 Connect 5 1 TX SPI1 MOSI to SPI1 MOSI 15 5 1 5 1 Connection on Primary Edge Selection 2 3 Connect 5 1 TX SPI1 MOSI to SCI1 TX TXD1 on Primary Edge TEE ace 3 5 Refer to Table 2 Selection TWRMCF51JGUM TWR MCF51JG Tower Module User s Manual Page 16 of 21 e Po gt freescale 4 5 J10 h Refer to Table 1 1 2 Power Mw from board power source selection jumper J9 2 3 Power MCU with output of on chip voltage regulator VOUT33 ON OSBDM bootloader mode OSBDM firmware J13 OSBDM Mode Selection reprogramming OFF Debugger mode Connect on board 5V supply to EzPort header ON supports powering board from external EzPort J15 EzPort Power Connection probe E Disconnect on board 5V supply from EzPort OFF header 4 Input Output Connectors and Pin Usage Table The following table provides detai2. 2 freescale TWR MCF51JG Tower Module User s Manual Rev 1 1 Freescale Semiconductor Inc TWRMCF51JGUM Po freescale Table of Contents 1 TWR MCF51JG and TWR MCF51 JG KIT 4 MA COME SINS reote 5 1 2 T Lo 5 URS Getting Started 6 1 4 Reference Documents t cereo re be enclose asad 6 2 Hardware Description e 7 2 1 MCF51JG Microcontroller c ccssssssssesssssssssssesssssscsssssssssssesncssessessesessssssessesscsssscsussscsussscsnssscsassacsaesseeaseseessesesesesseeaesnsesees 7 2 2 CLOCKING EE ED 8 2 3 e 9 24 Debus Interface hen angie ais entire nde rc tre 13 ZAA OSBDM 13 2 9 Accelerom ete 13 2 6 P shbu ttons LEDS 14 2 7 General Purpose Tower Plug in TWRPI Socket esent tente ttem tenta 14 PDA 15 J miper 16 4 Input Output Connectors and Pin Usage Table esent 17 5 Tower Elevator 0 5 522 2 2200 SACRA RANA MUS EN AUR ER REA GENRE RES 19 TWRMCF51JGUM TWR MCF51JG T
3. TWRMCF51JGUM TWR MCF51JG Tower Module User s Manual Page 9 of 21 Po Po freescale 2 8 6 8 Power from the Tower Primary Connector USB device 2 interface supplied to the MCF51JG on chip regulator 2 8 4 3 5 Power from the MCF51JG USB device interface 18 supplied 2 4 to the on board voltage regulators TWRMCF51JGUM TWR MCF51JG Tower Module User s Manual Page 10 of 21 freescale Table 2 J9 Board Power Source Selection J9 Shunt Setting Description 2 8 3 5 Board power is supplied by the 3 3V on board external i regulator This is the default setting 2 8 57 Board power is supplied by the 2 0V on board external regulator 1 7 2 8 12 Board power is supplied by the 3 3V MCF51JG on chip internal regulator 1 7 Power from the 3 3V MCF51JG on chip internal regulator is 2 8 supplied to the 3 3V on board external regulator Board 1 3 power is supplied by the 2 0V on board external regulator j 7 5 7 Note Take care not to install a shunt on J10 pins 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 ___ An external battery or other alternate source be connected to pins 5 positive and 6 negative ground The 3 3V or 2 0V power supplied to the MCU is routed through a jumper J12 The jumper shunt can be removed to
4. 5 circuit provides a BDM debug interface to the MCF51JG A standard USB A male to mini B male cable provided can be used for debugging via the USB connector J14 The OSBDM interface also provides a USB to serial bridge Drivers for the OSBDM interface are provided in the P amp E Micro OSBDM OSJTAG Tower Toolkit available on the MCF51JG product website These drivers and more utilities can be found online at http www pemicro com osbdm 2 5 Accelerometer MMA8451Q digital accelerometer is connected to the MCF51JG MCU through I2C interface 2 and PTB3 and two GPIO IRQ signals PTC4 and 5 ACCELEROMETER Figure 6 Accelerometer Circuit TWRMCF51JGUM TWR MCF51JG Tower Module User s Manual Page 13 of 21 e T 2 freescale 2 6 Pushbuttons LEDs The TWR MCF51JG features two pushbutton switches SW1 amp SW2 connected to IRQ signals IRQO PTB1 and IRQ3 PTC1 a pushbutton switch SW3 connected to the master reset signal and two user controllable LEDs connected to GPIO signals PTB6 and PTCO Refer to Table 6 I O Connectors 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 RF transceivers and more The General Purpose TWRPI socket provides access to 2 SPI IRQs GPIOs timers analog conversion s
5. real time clock source TWRMCF51JGUM TWR MCF51JG Tower Module User s Manual Page 8 of 21 2256 freescale DNP 32 768KHz Y50 DNP 18PF Figure 5 32 KHz Oscillator Input 2 3 System Power When installed into a Tower System the TWR MCF51JG can be powered from either an on board source or from another source in the assembled Tower System In stand alone operation the main power source for the TWR MCF51JG module is derived from the 5 0V input from either the OSBDM USB mini B connector J14 the MCF51JG USB micro AB connector J8 or the EzPort header J16 when a shunt is placed on jumper J15 Two low dropout regulators provide 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 and J10 The J10 header is used to select the power source that is supplied to one of the three possible voltage regulators The J11 header is used to select the regulated board power source Refer to Table 1 and Table 2 for details Table 1 J10 Regulator Power Source Selection J10 Shunt Setting Description 8 12 Power from the OSBDM interface 14 supplied to the gt board voltage regulators This is a default setting 8 22 5 6 Power from the MCF51JG USB device interface 18 supplied to the MCF51JG on chip regulator This is a default setting
6. BO_DP JG_ELEV_USBO_DP 56 IRQ_G PTB1 56 NC 57 NC 57 USBO_VBUS USBO_VBUS 58 NC 58 NC 59 NC 59 NC 60 NC 60 NC 61 IRQ_B PTC1 61 NC 62 A PTC1 62 RSTIN_B JG RESET B 63 NC 63 RSTOUT B JG RESET B 64 NC 64 CLKOUTO PTA3 65 GND GND 65 GND GND 66 NC 66 NC 67 NC 67 NC 68 NC 68 NC 69 NC 69 NC 70 NC 70 NC 71 71 72 72 73 73 74 74 75 75 75 75 77 77 TWRMCF51JGUM TWR MCF51JG Tower Module User s Manual Page 20 of 21 a freescale 81 GND GND 81 GND GND 82 3 3V P3V3 82 3 3V P3V3 TWRMCF51JGUM TWR MCF51JG Tower Module User s Manual Page 21 of 21
7. CI1 RTS Accelerometer IRQ2 5 IRQ2 5 1 CTS TWRPI I2C SCL J7 Pin 3 PTB2 SCL Accelerometer TWRPI I2C SDA J7 Pin 4 PTB3 SDA Accelerometer TWRPI SPI MISO J7 Pin 9 PTC2 SPI1 MISO 5 1 TWRPI SPI MOSI J7 Pin 10 PTB7 SPI1 MOSI 5 1 TX TWRPI SPI SS J7 Pin 11 PTC7 SPI1 SS TWRPI SPI CLK J7 Pin 12 PTC3 SPI1 SCLK TWRPI TWRPI GPIOO J7 Pin 15 GPIOO SAIO EZPORT USB OTG TWRPI GPIO1 J7 Pin 16 PTBO GPIO1 EZPORT TWRPI GPIO2 J7 Pin 17 PTA7 GPIO2 EZPORT FTM1 CHO TWRPI GPIO3 17 Pin 18 PTA1 GPIO3 SCL FTM1 1 TWRPI GPIO4 J7 Pin 19 PTA2 4 SDA LEDs Yellow LED D5 PTB6 LED1 Orange LED D4 PTCO LED2 TWRMCF51JGUM TWR MCF51JG Tower Module User s Manual Page 18 of 21 gt gt 2 lt freescale 5 Tower Elevator Connections The TWR MCF51JG features two expansion card edge connectors that interface to the Primary and Secondary Elevator boards in a Tower system The Primary Connector comprised of sides A and B is utilized by the TWR MCF51JG while the Secondary Connector comprised of sides C and D only makes connections to the GND pins Table 7 provides the pinout for the Primary Connector NC No Connection Table 7 TWR MCF51JG Primary Connector Pinout 1 5V P5V_ELEV 1 5V P5V_ELEV 2 GND GND 2 GND GND 3 3 3V P3V3 3 3 3V P3V3 4
8. 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 CLK PTC3 7 SCL PTB2 8 NC 8 SDA PTB3 9 SDHC D3 SPI1 50 b 7 9 GPIO9 UART1 CTS 5 10 SDHC CMD SPI1 MOSI 5 1 MOSI 10 NC 11 SDHC 5 11 MISO SPI1 MISO 11 NC 12 NC 12 NC 13 NC 13 NC 14 NC 14 NC 15 NC 15 NC 16 NC 16 NC 17 NC 17 NC 18 NC 18 NC 19 NC 19 NC 20 NC 20 NC 21 GPIO1 UART1 RTS 21 1250 MCLK PTD3 22 NC 22 1250_ _5 PTD2 23 NC 23 1250 DOUT WS PTDO 24 NC 24 1250 DINO 5 25 NC 25 1250 DOUTO PTD1 26 GND GND 26 GND GND 27 NC 27 NC 28 NC 28 NC 29 NC 29 NC 30 NC 30 NC 31 GND GND 31 GND GND 32 NC 32 NC 33 NC 33 NC TWRMCF51JGUM TWR MCF51JG Tower Module User s Manual Page 19 of 21 2 freescale 34 34 35 4 PTB6 35 NC 36 3 3V P3V3 36 3 3V P3V3 37 NC 37 NC 38 NC 38 PWM2 PTA3 39 5 PTC1 39 PWM1 PTA2 40 PWMA PTA6 40 PWMO 41 41 UARTO RX PTBS 42 NC 42 UARTO_TX PTB4 43 NC 43 UART1_RX SCI1_RX 44 SPIO_MISO PTD2 44 UART TX SCl TX 45 5 0 MOSI PTD1 45 NC 46 SPIO CSO b PTDO 46 NC 47 NC 47 NC 48 PTD3 48 NC 49 GND GND 49 NC 50 I2C1 SCL 50 51 I2C1 SDA PTA2 51 NC 52 GPIO5 PTCO 52 NC 53 NC 53 NC 54 NC 54 USBO DN JG ELEV USBO DN 55 PTB1 55 US
9. JGUM TWR MCF51JG Tower Module User s Manual Page 4 of 21 e T 2 freescale 1 1 Contents The TWR MCF51JG contents include TWR MCF51JG board assembly 3ftAto mini B USB cable for debug interface and power 3ft Ato micro B USB cable for MCF51JG USB interface e to A adapter for MCF51JG USB Host applications Quick Start Guide The TWR MCF51JG KIT contains TWR MCF51JG MCU module TWR ELEV Primary and Secondary Elevator Modules e 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 Tower MCU Module Tower compatible microcontroller module MCF51JG256 MCF51JG with 256 Kbytes of flash in 44 pin MAPLGA package e Dual role USB interface with Micro AB USB connector General purpose Tower Plug in TWRPI socket On board debug circuit OSBDM with virtual serial port e Three axis accelerometer MMA8451Q e Two 2 user controllable LEDs e Two 2 user pushbutton switches amp One 1 reset pushbutton switch TWRMCF51JGUM TWR MCF51JG Tower Module User s Manual Page 5 0121 2 freescale MMA8451Q Accelerometer PRIMARY r ad switches JG USB PWi E d rr Switches M 5 hae 4 gt 3 gt 4 P Y 1 g
10. allow for either 1 selecting the source of the MCU supply voltage or 2 the measurement of power consumed by the MCU Table 3 J12 Board Power Source Selection J12 Shunt Setting Description 3 5 MCU power is supplied by the board power source selection jumper J9 This is the default setting MCU power is supplied by the 3 3V MCF51JG on chip 5 7 internal regulator Use this jumper setting if it is desired to power only MCU with the on chip internal regulator and not the rest of the board TWRMCF51JGUM TWR MCF51JG Tower Module User s Manual Page 11 of 21 Po freescale TWRMCF51JGUM TWR MCF51JG Tower Module User s Manual Page 12 of 21 e T freescale 2 4 Debug Interface There are two debug interface options provided the on board OSBDM circuit and an external Background Debug Mode BDM connector The BDM connector is a standard 6 pin connector providing an external debugger cable with access to the BDM interface of the MCF51JG256 Alternatively the on board OSBDM debug interface can be used to access the debug interface of the MCF51JG256 Note When using an external debug pod to connect to the MCF51JG be sure to connect the BDM cable to 117 JG BDM Avoid connecting J18 JM60 BDM which is directly next to 117 J18 provides a debug connection to the OSBDM MCU 9508 60 2 4 1 OSBDM An on board MC9S08JM60 based Open Source BDM
11. als including USB hardware encryption and more The TWR MCF51JG is available as a stand alone product or as a kit TWR MCF51JG KIT with the Tower Elevator Modules TWR ELEV and the Tower Prototyping Module TWR PROTO The TWR MCF51JG can also be combined with other Freescale Tower peripheral modules to create development platforms for a wide variety of applications Figure 1 provides an overview of the Freescale Tower System Controller Module Primary Elevator board and expansion bus signals Works stand alone or in Tower System Two 2x80 connectors on backside for easy SR aec CN signal access and side mounting board LCD module S Features integrated debugging interface easy programming and run control via standard USB cable Power regulation circuitry Secondary Elevator Standardized signal Additional and assignments secondary serial and expansion bus signals Mounting holes Standardized signal assignments 9 Board Connectors Mounting holes and expansion connectors for side mounting peripheral boards Four card edge connectors Uses PCI Express connectors Size Peripheral Module x16 90 mm 3 5 long 164 pins Tower is approx 3 5 Hx 3 5 W Examples include serial interface module x 3 5 D when fully assembled memory expansion module and Wi Fi Figure 1 Freescale Tower System Overview TWRMCF51
12. for use in the Freescale Tower System but can operate stand alone An on board debug circuit OSBDM provides a BDM interface and a power supply input through a single USB mini B connector Figure 3 shows a block diagram of the TWR MCF51JG The following sections describe the hardware in more detail Tower Elevator Expansion Connectors 25 SPI USB PWM 5 8 MHz XTAL GPIO Interrupts Ns Reset SPI C GPIO SAI General Purpose Header Tower Plug in TWRPI Freescale External Interface 2 og Power Connectors Circuits E Figure 3 TWR MCF51JG Block Diagram 2 1 MCF51JG Microcontroller The TWR MCF51JG module features the MCF51JG256CFT The key features of the microcontroller are 32 bit ColdFire core with FlexMemory EMAC and DIV hardware acceleration 50 MHz maximum core operating frequency 44 pin MAPLGA 5mm x 5mm 1 85V 3 6V operating voltage input range 256 Kbytes of program flash 64 Kbytes of static RAM FlexMemory consisting of 32 Kbytes of FlexMemory that can be used as additional non volatile flash or up to 2KB of enhanced EEPROM 10 flexible low power modes ideal for extending battery life e Cryptographic Acceleration Unit CAU and Random Number Generator RNGA for secure communications TWRMCF51JGUM TWR MCF51JG Tower Module User s Manual Page 7 of 21 e gt freescale 2 2 Integrated USB 2 0 Ful
13. ignals TWRPI ID signals reset and voltage supplies The pinout for the TWRPI Socket is defined in Table 4 Refer to Table 6 I O Connectors and Pin Usage Table for the specific MCF51JG pin connections to the General Purpose TWRPI socket TWRMCF51JGUM TWR MCF51JG Tower Module User s Manual Page 14 of 21 T freescale 2 8 USB Left side 2x10 Connector Table 4 General Purpose TWRPI socket pinout Right side 2x10 Connector Pin Description Pin Description 1 5V VCC 1 GND 2 3 3 V VCC 2 GND 3 GND 3 12 SCL 4 3 3V VDDA 4 12 SDA 5 VSS Analog GND 5 GND 6 VSS Analog GND 6 GND 7 VSS Analog GND 7 GND 8 ADC Analog 0 8 GND 9 ADC Analog 1 9 SPI MISO 10 55 Analog GND 10 SPI MOSI 11 VSS Analog GND 11 SPI 55 12 ADC Analog 2 12 SPI CLK 13 VSS Analog GND 13 GND 14 VSS Analog GND 14 GND 15 GND 15 GPIO GPIOO IRQ 16 GND 16 GPIO GPIO1 IRQ 17 ADC TWRPI IDO 17 GPIO GPIO2 18 ADC TWRPI ID 1 18 GPIO GPIO3 19 GND 19 GPIO GPIO4 Timer 20 Reset 20 GPIO GPIOS Timer 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 USB connector J8 or the Tower Primary Connector allowing the connection to external USB connectors or additiona
14. l Speed Device Host OTG Controller supporting connection via USB and battery charging Serial audio interface SAI providing a direct interface to codecs and to Inter IC Sound I2S audio devices Real time debug support with six hardware breakpoints that can be configured to halt the processor or generate debug interrupt Multi purpose clock generator with PLL and FLL operation modes multiple input oscillator or resonator frequency ranges two internal trimmable references SPI UART SCI GPIO with pin interrupt support DMA request capability digital glitch filtering locking dFire 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 the Multipurpose Clock Generator MCG module can range from 32 768 KHz up to a 32 MHz The TWR MCF51JG provides an 8 MHz ceramic resonator as shown in Figure 4 below and sheet 4 of the schematics This oscillator can be used as a clock source for the phase locked loop PLL inside the MCG Notes 1 Additio When R7 is not populated default configure the crystal oscillator for low power operation MCG C2 HGO 0 The resonator used here has internal load capacitors Therefore no external or internal load capacitance within the MCU is required EXTAL Figure 4 Main Oscillator Input nally the TWR MCF51JG provides a 32 768 KHz oscillator for an accurate
15. l circuitry on a Tower peripheral module depending on the value of four optional resistors R11 R12 and R13 R14 By default R11 and R12 are not populated and R13 and R14 are This connects the MCF51JG USB signals to the on board USB circuit A power supply switch with an enable input signal and over current flag output signal is used to supply power to the USB connector when the MCF51JG is operating in host mode Port pin PTA2 is connected to the flag output signal and port pin 1 is used to drive the enable signal Both port pins can be isolated with jumpers if needed TWRMCF51JGUM TWR MCF51JG Tower Module User s Manual Page 15 of 21 gt 2 freescale JG USB Interface or Device JG USB ENA JG USB FLGA PTA2 P5V USB gt R54 1 10 0K R55 10 0K JG USB ENB oj o j i N v2 99 GND OUTB 1X2 TH MIC2026 1YM Default 1 2 Enable USB Flag JG MICRO USB VBUS MICRO USB AB 5 Jo 5 JG MICRO USB SHLD JG USB ID 1 2 330 OHM SP0503B Figure 7 USB dual role interface 3 Jumper Table There are several jumpers on the TWR MCF51JG that provide configuration selection and signal isolation Refer to the following table for details The default installed jumper settings are shown in bold with asterisks Table 5 TWR MCF51JG Jumper Table
16. ls on which MCF51JG pins are using to communicate with the LEDs switches and other 1 0 interfaces onboard TWR MCF51JG Note Some port pins are used in multiple interfaces on board and many are potentially connected to off board resources via the Tower Primary Connector Take care to avoid attempted simultaneous usage of mutually exclusive features Table 6 I O Connectors and Pin Usage Table Feature Connection OSBDM USB UART Receive Bridge UART Transmit Data Negative Port Pin Pin Function Shared With PTB5 SCI2_RX SPI2_MISO PTB4 SCI2_TX SPI2_MOSI USBO_DN Differential Data USB OTG Data Positive USBO_DP Differential Data TWRPI USB EZPort Clock PTBO EZP_CLK OTG EZPort Data Out PTA6 EZP_DO TWRPI SAI EZPORT EZPort Data In PTA7 EZP_DI TWRPI EZPort Chip Select PTB1 EXP_CS_B IRQO SW1 Reset RESET B 16 RESET PTB1 IRQO EZP CS B Switches SW2 1 IRQ3 FIM1 CH5 SW3 RESET B Reset SAI SAI Receive FS SAIO RX FS EZPORT TWRPI TWRMCF51JGUM TWR MCF51JG Tower Module User s Manual Page 17 of 21 E 2256 27 freescale Feature Connection Port Pin Pin Function Shared With SAI Transmit FS PTDO SAIO RX FS SPI SAI Transmit Data PTD1 5 TXD SPI SAI Receive Data PTA5 SAIO_RXD FTM1_CH4 FTM1_CH2 SAI Receive Clock PTA3 SAIO_RX_BCLK CLKOUT SAI Transmit Clock PTD2 SAIO_TX_BCLK SPI SAI Input Clock PTD3 SAIO CLKIN MCLK SPI 2 Clock PTB2 SCL 2 Data PTB3 SDA IRQ1 PTC4 IRQ1 S
17. ower Module User s Manual Page 2 of 21 2256 freescale Figure 1 Freescale Tower System Overview Figure 2 Callouts on front side of the TWR MCF51JG Figure 3 TWR MCF51JG Block Diagram Figure 4 Main Oscillator Input Figure 5 32 KHz Oscillator Input Figure 6 Accelerometer Circuit Figure 7 USB dual role interface Table 1 J10 Regulator Power Source Selection Table 2 J9 Board Power Source Selection Table 3 J12 Board Power Source Selection Table 4 General Purpose TWRPI socket pinout Table 5 TWR MCF51JG Jumper Table Table 6 1 0 Connectors and Pin Usage Table Table 7 TWR MCF51JG Primary Connector Pinout List of Figures List of Tables Revision History Revision Date Changes 0 Initial Release for Rev A pre production module 1 Oct 2012 Updates for Rev B module TWRMCF51JGUM TWR MCF51JG Tower Module User s Manual Page 3 of 21 e 54 2256 freescale 1 TWR MCF51JG TWR MCF51 G KIT Overview The TWR MCF51JG is a Tower Controller Module compatible with the Freescale Tower System It can function as a stand alone low cost platform for the evaluation of the ColdFire MCF51JG microcontroller MCU devices The TWR MCF51JG features the MCF51JG a ColdFire 32 bit microcontroller built on the Version 1 V1 ColdFire core and enabled by innovative 90nm thin film storage TFS flash process technology with FlexMemory The MCF51Jx families offer a rich combination of additive peripher
18. t General Purpose TWRPI Socket TPs 2 MAIN PWR Power Select LEDs Jumpers gi tee Pwr VR 119162 0 MCF51JG256 Power OSBDM Reset Mini B USB Connector Secondary Connector Figure 2 Callouts on front side of the TWR MCF51JG 1 3 Getting Started Follow the Quick Start Guide found printed in the TWR MCF51JG box or the interactive DVD for the list of recommended steps for getting started Check for new or revised documentation on the tool support page for the TWR MCF51JG http www freescale com TWR MCF51JG 1 4 Reference Documents The documents listed below 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 MCF51JG or freescale com coldfire TWR MCF51JG QSG Quick Start Guide TWR MCF51JG SCH Schematics TWR MCF51JG PWA Design Package ColdFire Portfolio Product Brief MCF51JG256 Reference Manual Tower Configuration Tool Tower Mechanical Drawing TWRMCF51JGUM TWR MCF51JG Tower Module User s Manual Page 6 of 21 a freescale 2 Hardware Description The TWR MCF51JG is a Tower Controller Module featuring the MCF51JG256 a ColdFire based microcontroller with USB 2 0 full speed OTG controllers in a 44 MAPLGA package It is intended
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