TWR-MCF51JF Tower Module
Contents
1. TWRPI Socket Ki Dee reg WE A Sor fas 1 21804 Touch Pad TV ECH Ke Wig se os TWRPI Socket Microphone AT EE EE A RA hy So E eg a Potentiometer Power Selects MA ai SR ei i ee 2 underside MCF51JF wee ee Touch Pads Micro AB USB uv Le and LEDs Connector ET SIT Aa Beieleit ven 7 e FR Audio Out Power OSBDM ea d Soc GR Mini B USB et Y Reset Connector Secondary Connector Figure 2 Callouts on front side of the TWR MCF51JF 1 3 Getting Started Follow the Quick Start Guide found printed in the TWR MCF51JF 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 MCF51JF http www freescale com TWR MCFS51JF 1 4 Reference Documents The documents listed below should be referenced for more information on the ColdFire devices Freescale Tower System and the TWR MCF51JF Controller Module These can be found in the documentation section of freescale com TWR MCF51JF or freescale com coldfire e TWR MCF51JF QSG Quick Start Guide TWR MCF51JF SCH Schematics TWR MCF51JF PWA Design Package ColdFire Portfolio Product Brief MCF51JF128 Reference Manual MCF51JU128 Reference Manual Tower Configuration Tool Tower Mechanical Drawing 2 Hardware Description The TWR MCF51JF is a Tower Controller Module featuring the MCF51JF128 a ColdFire based microcontroller with USB 2 0 full speed OTG controllers in a 64 LQFP packag2. The TWR MCF51JF is available as a stand alone product or as a kit TWR MCF51JF KIT with the Tower Elevator Modules TWR ELEV and the Tower Prototyping Module TWR PROTO The TWR MCF51JF 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 e Tower MCU MPU me TM 1 gt e e Common serial board ES 1 and expansion E TP bus signals e Works stand alone or in Tower System e Two 2x80 connectors on backside for easy signal access and side mounting board LCD module e Features integrated debugging interface for easy programming and run control via standard USB cable Power regulation Circuitry Secondary Elevator Standardized signal e Additional and assignments secondary serial and expansion bus signals Mounting holes e Standardized signal assignments 9 Board Connectors e Mounting holes and expansion connectors for side mounting peripheral boards e Four card edge connectors e Uses PCI Express connectors Size Peripheral Module x16 90 mm 3 5 long 164 pins e Tower is approx 3 5 H x 3 5 W e Examples include serial interface module x 3 5 D when fully assembled memory expansion module and Wi Fi Figure 1 Freescale Tower System Overview 1 1 Contents The TWR MCF51JF contents include e TWR MCF5
3. B24 CikINO A B25 CIKOUTA LI LA B265 GND Ground A26 GND Ground Bil AN PS TAN A28 ANZ AN1 p30 AN fro el ANO B31 GND Ground A31 GND Ground p32 DACI Daco DACO_OUT MEM mn 8 O y O B34 MR LA TMRO O B35 GPlO4 EI S GPlO6 LI B36 f 3 3V Lal A3 8 3 Power Bil PWMZ PWIMS Ia B38 PWMG Laag PWM2 PTA DI CANRXO LI a RXDO Im O B42 CANTXO LA TXDO Im O B3 WR LI Lal RXDI PTO DI spo cstb Lal VREFAL Lupnm O B49 GND Ground LA GND Ground B50 f sat Sf Lan GPploua Pi SDAT PDO Jaa Oo B52 GPIOS SD_CARD_DET PTF4 A52 GPlo16 A B53 USBO_DP_PDOWN Lass oo B54 USBO_DM PDOWN A54 USBO DM UsBODM B56 aG Pm Lasel pop B57 m0r LL USBO_VBUS VREGIN B58 JOEL TR B59 RQ TRG Beo mr RS Beil RQ LEI et TMRA S B65 GND Ground A65 GND Ground TWRMCF51JFUM TWR MCF51JF Tower Module User s Manual Page 18 of 19 Dreescale semiconductor Pin 4 Side B Pin 4 Side A Name Usage Name Usage B831 GND Ground A81 ND Ground TWRMCF51JFUM TWR MCF51JF Tower Module User s Manual Page 19 of 19
4. 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 MCF51JF128 Alternatively the on board OSBDM debug interface can be used to access the debug interface of the MCF51JF128 2 4 1 OSBDM An on board MC9S08JM60 based Open Source BDM OSBDM circuit provides a BDM debug interface to the MCF51JF A standard USB A male to mini B male cable provided can be used for debugging via the USB connector J19 The OSJTAG 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 included DVD These drivers and more utilities can be found online at http www pemicro com osbdm 2 5 Infrared Port An infrared transmit and receive interface is implemented as shown in Figure 5 below The CMT_IRO pin directly drives an infrared diode The receiver uses an infrared phototransistor connected to an on chip analog comparator through a low pass filter Internal to the MCF51JF device the output of the analog comparator can be routed to a UART module for easier processing of the incoming data stream AZ PTOS JMF OTLPS10G1A intensity will be very different between V_BRD 1 8V and 3 3V V BAD Gi OTLPS6106 PD TWRMCF51JFUM TWR MCF51JF Tower Module User s Manual Page 10 of 19 2 freescale semiconductor e 7s Figure 5 Infr
5. Electrode 3 J9 Pin 8 TSIO_CH11 Electrode 4 J9 Pin 9 TSIO_CH12 Electrode 5 J9 Pin 10 TSIO_CH13 TWRPI IDO J9 Pin 17 ADCO_SE19 Flexbus TWRPI ID1 J9 Pin 18 ADCO_SE20 Flexbus TWRPI ID1 J9 Pin 20 RESET RB Touch Pad TWRPI Socket 5 Tower Elevator Connections The TWR MCF51JF 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 MCF51JF while the Secondary Connector comprised of sides C and D only makes connections to the GND pins Table 5 provides the pinout for the Primary Connector Table 5 TWR MCF51JF Primary Connector Pinout Side B Side A LE Name Usage Name Usage 5 0V Power 5 0V Power B2 GND Ground A2 3 3V Power 3 3V Power BS GND Ground S A5 GND Ground Be GND Ground A6 GND Ground B8 SDHC_D3 SPI1 CS1b SDAO PTC B9 SDHC_D3 SPII_CSO b PTFO A9 GPlo9 CTS1 PTD7 B12 mon ESTI B13 ETHURXER A ASS O B14 ETHTXAK A ETH MDIO B15 ETHUTXEN o o OAB ETH_RXCK Bie ETHTXER LAi l LD 1 B17 mam 3 Lal Pap 1 pig ETHTXD2 ETHRXD2 B19 map Pap B20 ETHTXDO l AO Enn TWRMCF51JFUM TWR MCF51JF Tower Module User s Manual Page 17 of 19 e Ss oe 2 freescale semiconductor Pin Side B Pin Side A Name Usage Name p23 GPlO3 fA 7
6. Figure 4 Main Oscillator INOUE casada Figure 5 Infrared Port Implementation ss Figure 6 Accelerometer Circuit coooccccccoccnncnonnnononononarononnnnnnonarononarononnnnononarononaronenanos Heure MICOPNON E CI e EI anaes te eserseteenccce teeta neeseceuttcesseteanecuteacte cesar easieeseeneteencs Figure 8 Audio output DAC circuit siens Figure 9 USB dual role interface ss List of Tables Table 1 General Purpose TWRPI socket PINOUT ss Table 2 Touch TWRP socket DINOU eegene Table 3 TWR MCF51JF Jumper Table ses Table 4 1 0 Connectors and Pin Usage Table Table 5 TWR MCF51JF Primary Connector Pinout ss Revision History Revision Date Changes MIS May 23 2010 Initial Release TWRMCF51JFUM TWR MCF51JF Tower Module User s Manual Page 3 of 19 2 freescale semiconductor 1 TWR MCF51JF and TWR MCF51JF KIT Overview The TWR MCF51JF 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 MCF51JU and MCF51JF microcontroller MCU devices The TWR MCF51JF features the MCF51JF 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 peripherals including USB hardware encryption an innovative touch sensing interface TSI and more
7. R21 By default R17 and R18 are not populated and R20 and R21 are This connects the MCF51JF 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 MCF51JF is operating in host mode Port pin PTCO is connected to the flag output signal and port pin PTB7 is used to drive the enable signal Both port pins can be isolated with jumpers if needed JF USB Interface Host or Device PSV _JF_US8 PEN JE SS JF USB DN R20 33 US86 DN D USE DN JF USB DP R21 33 USB0 DP gt us20 DP yy Remove these 33 ohm pr i resistors if using the USB aes Gg on the Primary Elevator taii PTC4 330 OHM L Figure 9 USB dual role interface TWRMCF51JFUM TWR MCF51JF Tower Module User s Manual Page 14 of 19 e 2 oe 2 freescale semiconductor 2 13 External Bus Interface FlexBus The MCF51JF device features a multi function external bus interface called the FlexBus interface controller capable of interfacing to slave only devices The FlexBus interface is not used directly on the TWR MCF51JF Instead a subset of the FlexBus is connected to the Primary Connector so that the external bus can access devices on Tower peripheral modules Refer to Table 5 TWR MCF51JF Primary Connector Pinout and sheet 9 of the TWR MCF51JF schematics for more details 3 Jumper Table There are several jumpers on the TWR MCF51JF that pr
8. power modes ideal for extending battery life e Cryptographic Acceleration Unit CAU and Random Number Generator RNGB e for secure communications e Integrated capacitive touch sensing support low power touch sensing interface TSI e Integrated USB 2 0 Full Speed Device Host OTG Controller supporting connection via USB and battery charging e Serial audio interface SAI providing a direct interface to codecs and to Inter IC Sound 125 audio devices TWRMCF51JFUM TWR MCF51JF Tower Module User s Manual Page 7 of 19 2 freescale semiconductor e Real time debug support with six hardware breakpoints that can be configured to halt the processor or generate debug interrupt e External bus interface Multi purpose clock generator with PLL and FLL operation modes multiple input oscillator or resonator frequency ranges two internal trimmable references 12 bit SAR ADC up to 17 single ended channels 12 bit DAC High speed analog comparator with 6 bit DAC Programmable voltage reference SPI IC w SMBUS support UART w 1SO7816 and IrDA GPIO with pin interrupt support DMA request capability digital glitch filtering 2 2 Clocking The ColdFire MCUs start up from an internal digitally controlled oscillator DCO Software can enable the main external oscillator EXTAL2 XTAL2 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 MC
9. 1JF board assembly TWRMCF51JFUM TWR MCF51JF Tower Module User s Manual Page 4 of 19 2 freescale semiconductor 3ft A to mini B USB cable for debug interface and power 3ft A to micro B USB cable for MCF51JF USB interface Micro B to A adapter for MCF51JF USB Host applications Interactive DVD with software installers and documentation Quick Start Guide The TWR MCF51JF KIT contains e TWR MCF51JF MCU module e TWR ELEV Primary and Secondary Elevator Modules e TWR PROTO Prototyping module 1 2 Features Figure 2 shows the TWR MCF51JF with some of the key features called out The following list summarizes the features of the TWR MCF51JF Tower MCU Module Tower compatible microcontroller module MCF51JF128VLH MCF51JF with 128 Kbytes of flash in a 64 pin LQFP package Dual role USB interface with Micro AB USB connector Touch Tower Plug in Socket General purpose Tower Plug in TWRPI socket On board debug circuit OSBDM with virtual serial port Three axis accelerometer MMA8451Q Two 2 user controllable LEDs Two 2 capacitive touch pads One 1 user pushbutton switch Infrared transmit and receive Potentiometer Microphone ADC and audio output DAC TWRMCF51JFUM TWR MCF51JF Tower Module User s Manual Page 5 of 19 be Dreescale semiconductor Primary Connector ki MMA8451Q DU 0000000000000 0000000014 TT Infrared DA 1 MIG ISO Petr JF USB FLG J12 PRIN at Interrupt General Purpose
10. A Es gt freescale semicon ductor y TWR MCF51JF Tower Module User s Manual Rev O Freescale Semiconductor Inc TWRMCF51JFUM ce E P freescale semiconauctor Table of Contents 1 TWR MCF51JF and TWR MCF51JF KIT Overvie Won 4 De Me We eh 6 22 OS EE O Ene 4 OS EEE EAE N EENE E E AEE 5 Lo CSS S E eer 6 1 4 Reference DORE aeaea a Aa ere ree eee 6 2 Hardware Tester 6 OA MORS M tee ee eege 7 Tt a reer re er ete ree ec rs 8 A SR E 8 o A E EE o A ere ese erent 10 2 4 1 OSBDM inmmciniiini een nenennenneen een nenennennesneen een nennennennenennne 10 o A 10 OC OL a 11 2 1 Potentomeler POS bu e get ER EDS a 11 eigene e EE 11 Ze oO LO LLO OR AP o Oe 12 2 10 General Purpose Tower Plug in TWRPI Socket rennes 12 ZE Touch Mer ICE EE 13 A o 14 2 13 External Bus Interface I ca ccs cece tacts can caecnesceceseeeceacuaesaceacaessansceesestavesncaesserscata oaiacesicensctsueceoueaeseaacenes 15 BS PUTT A CE es 15 4 Input Output Connectors and Pin Usage Table snsssnnnennnnnnnnns 16 5 Tower Elevator Connections c ccmmmmmmmmccnanannccccrrr rr 17 TWRMCF51JFUM TWR MCF51JF Tower Module User s Manual Page 2 of 19 2 freescale semiconductor e 7s List of Figures Figure 1 Freescale Tower System Overview Figure 2 Callouts on front side of the TWR MCESLIF Figure 3 TWR MCF51JF Block Diagram ooseneesseenssseerssssrrssserrssserresssrresserresseeresseeres
11. F51JF provides an 8 MHz ceramic resonator as shown in Figure 4 below and sheet 4 of the schematics A16 0 XTALS PTES X1 00MHZ R15 OM Figure 4 Main Oscillator Input 2 3 System Power When installed into a Tower System the TWR MCF51JF 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 MCF51JF module is derived from the 5 0V input from either the OSBDM USB mini B connector J19 the MCF51JF USB micro AB connector 115 or the EzPort header J21 when a shunt is placed on jumper J24 Two low dropout regulators provide 3 3V and 1 8V supplies from the 5 0V input voltage Additionally the 3 3V regulator built into the MCF51JF can be selected All the user selectable options can be configured using two headers J13 and J14 The J13 header is used to select the power source that is supplied to one of the three possible voltage regulators The J14 header is used to select the regulated board power source Refer to Table 1 and Table 2 for details TWRMCF51JFUM TWR MCF51JF Tower Module User s Manual Page 8 of 19 ZC freescale semiconductor Table 1 J13 Regulator Power Source Selection J13 Shunt Setting Description Power from the OSBDM interface J19 supplied to the on board voltage regulators This is a default setting Power from the MCF51JF USB device interface J15 supplied to the MCF51JF o
12. M TWR MCF51JF Tower Module User s Manual Page 11 of 19 2 freescale semiconductor e ke 7s VW BRO MICROPHONE MIC Figure 7 Microphone circuit 2 9 Audio Output The 12 bit DAC output signal from the MCF51JF is connected directly to a standard 3 5 mm audio jack J16 MU1 3510 SMT Figure 8 Audio output DAC circuit 2 10 General Purpose Tower Plug in TWRPI Socket The TWR MCF51JF 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 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 1 Refer to Table 4 I O Connectors and Pin Usage Table for the specific MCF51JF pin connections to the General Purpose TWRPI socket TWRMCF51JFUM TWR MCF51JF Tower Module User s Manual Page 12 of 19 2 freescale semiconductor e 7s Table 1 General Purpose TWRPI socket pinout Left side 2x10 Connector Pin Description 5V VCC 3 3 V VCC GND 3 3V VDDA VSS Analog GND VSS Analog GND VSS Analog GND ADC Analog O ADC Analog 1 VSS Analog GND VSS Analog GND ADC Analog 2 VSS Analog GND VSS Analog GND GND GND 17 ADC TWRPI IDO E O ES ES ES ES ES FT 2 11 Touch Interface The touch sensing input TSI module of the ColdFire MC
13. OSBDM bootloader mode OSBDM firmware reprogramming Debugger mode Connect on board power supply to MCU Isolate MCU from power supply allows for external supply or power measurements Connect on board 5V supply to EzPort header supports powering board from external EzPort probe Disconnect on board 5V supply from EzPort header Page 15 of 19 e 2 oe 2 freescale semiconductor 4 Input Output Connectors and Pin Usage Table The following table provides details on which MCF51JF pins are using to communicate with the LEDs switches and other I O interfaces onboard the TWR MCF51JF 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 Feature OSBDM Virtual Serial Infrared Port Pushbuttons Touch Pads LEDs Potentiometer Microphone Audio Output Accelerometer USB Host Power Switch Controls General Purpose TWRPI Socket TWRMCF51JFUM Table 4 I O Connectors and Pin Usage Table Connection OSBDM Bridge RX Data OSBDM Bridge TX Data IR Transmit IR Receive SW 11 IRQ SW2 RESET E1 Touch E2 Touch E1 Orange LED E2 Green LED Potentiometer R57 Microphone U4 3 5mm Jack J16 I2C SDA I2C SCL INT1 INT2 Enable Overcurrent Flag TWRPI ANO J10 Pin 8 TWRPI AN1 J10 Pin 9 TWRPI AN2 J10 Pi
14. Us provides capacitive touch sensing detection with high sensitivity and enhanced robustness Each TSI pin implements the capacitive measurement of an electrode Right side 2x10 Connector Pin Description D END END GND E 5 6 E ER The TWR MCF51JF provides two methods for evaluating the TSI module There are two electrodes on board the TWR MCF51JF that simulate pushbuttons Additionally six TSI signals are connected to a Touch Tower Plug in TWRPI socket that can accept Touch TWRPI daughter cards that may feature keypads rotary dials sliders etc The pinout for the Touch TWRPI socket is defined in Table 2 Refer to Table 4 I O Connectors and Pin Usage Table for the specific MCF51JF pin connections to the Touch TWRPI socket Table 2 Touch TWRPI socket pinout Pin Description TWRMCF51JFUM TWR MCF51JF Tower Module User s Manual 4 3 3VVDDA 6 VSS Analog GND _ Page 13 of 19 e se O 2 freescale semiconductor Pin Description 8 Electrode3 9 Electrode4 2 12 USB The MCF51JF features a USB full speed low speed OTG Host Device controller with built in transceiver The TWR MCF51JF routes the USB D and D signals from the MCF51JF MCU to either the on board USB connector J15 or the Tower Primary Connector allowing the connection to external USB connectors or additional circuitry on a Tower peripheral module depending on the value of four optional resistors R17 R18 and R20
15. ared Port Implementation Note The PTC5 pin is shared between the Infrared circuit and the green LED D50 Jumper J1 routes the signal to either the infrared shunt on pin 2 3 or LED shunt on 1 2 2 6 Accelerometer An MMA84510 digital accelerometer is connected to the MCF51JF MCU through an 12C interface 12C0 PTC6 and PTC7 and two GPIO IRQ signals PTDO and PTD1 BRO PSVS Y BRADY BRO BRD R e a Aid Si AS 4 70K 4 70K 10 0K PTD FT O PTDI AT DNF 10 OK ACCELEROMETER Figure 6 Accelerometer Circuit 2 7 Potentiometer Pushbuttons LEDs The TWR MCF51JF features one pushbutton switch SW1 connected to the IRQ signal PTBO one pushbutton switch SW2 connected to the master reset signal PTC1 two capacitive touch pad electrodes connected to TSIO_CH10 PTB1 and TSIO_CH9 PTE1 two user controllable LEDs one green and one orange connected to GPIO signals PTC5 and PTAO and a potentiometer connected to an ADC input signal ADCO SE12 PTD5 Refer to Table 4 I O Connectors and Pin Usage Table for more information 2 8 Microphone A microphone circuit is provided allowing for sampling of audio data A single ended ADC signal ADCO SE11 PTD4 is used to sample the value on the microphone IC output A jumper J5 is provided to isolate the ADC signal from the microphone so that it can be used for other purposes refer to Table 4 I O Connectors and Pin Usage Table for more information TWRMCF51JFU
16. e It is intended 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 AB connector Figure 3 TWRMCF51JFUM TWR MCF51JF Tower Module User s Manual Page 6 of 19 Deescale semiconductor shows a block diagram of the TWR MCF51JF The following sections describe the hardware in more detail Tower Elevator Expansion Connectors IS SPI IFC ADC USB DAC PWM SCI UART Flexbus 8 MHz XTAL CC 27 IR Output gt Comparator T A D GPIO Interrupts Reset ise TSI ADC DAC SPI CC ADC GPIO TSI GPIO General Purpose Tower Plug in TWRPI Microphone amp DAC Output Touch Tower Plug in TWRPI Freescale Device E External Connectors Interface Circuits 3 Power Figure 3 TWR MCF51JF Block Diagram 2 1 MCF51JF Microcontroller The TWR MCF51JF module features the MCF51JF128VLH The key features of the microcontroller are listed here e 32 bit ColdFire core with FlexMemory EMAC and DIV hardware acceleration e 50 MHz maximum core operating frequency e 64 pin LQFP 9mm x 9mm e 1 71V 3 6V operating voltage input range e 128 Kbytes of program flash 32 Kbytes of static RAM e FlexMemory consisting of 32 Kbytes of FlexMemory that can be used as additional non volatile flash or up to 2KB of enhanced EEPROM e 10 flexible low
17. n 12 TWRPI IDO J10 Pin 17 TWRPI ID1 J10 Pin 18 TWRPI Reset TWRPI 12C SCL J11 Pin 3 TWRPI 12C SDA J11 Pin 4 TWRPI SPI MISO J11 Pin 9 TWRPI SPI MOSI J11 Pin 10 TWRPI SPI SS J11 Pin 11 TWRPI SPI CLK J11 Pin 12 TWRPI GPIOO J11 Pin 15 Port Pin PTD6 PTA7 PTC5 PTC2 PTBO PTC1 PTE1 PTB1 PTAO PTC5 PTD5 PTDA PTC7 PTC6 PTDO PTD1 PTB7 PTCO PTD5 PTDA PTD2 PTE6 PTE7 PTC1 PTC6 PTC7 PTAA PTAS PTA2 PTA3 PTB7 Pin Function UARTO_RX UARTO_TX CMT_IRO CMPO_IN3 IRQ RESET_B TSIO_CH9 TSIO_CH10 PTAO FTM1_CHO PTC5 RGPIOS ADCO_SE12 ADCO_SE11 DACO OUT I2C0_SDA I2CO_SCL PTDO input PTD1 input PTB7 output PTCO input ADCO_SE12 ADCO_SE11 ADCO_SE9 ADCO_SE21 ADCO_SE22 RESET_B I2CO_SCL I2CO_SDA SPI1_MISO SPI1_MOSI SPI1_SS SPI1_SCLK PTB TWR MCF51JF Tower Module User s Manual Shared With LED GP TWRPI Touch TWRPI Touch TWRPI IR GP TWRPI GP TWRPI GP TWRPI GP TWRPI GP TWRPI GP TWRPI GP TWRPI Potentiometer Microphone Touch TWRPI Accelerometer Accelerometer USB Host Page 16 of 19 2 freescale semiconductor Feature Connection Port Pin Pin Function Shared With TWRPI GPIO1 J11 Pin 16 PTCO USB Host TWRPI GPIO2 J11 Pin 17 PTC5 LED IR TWRPI GPIO3 J11 Pin 18 PTF4 Flexbus TWRPI GPIO4 J11 Pin 19 PTF7 Electrode O J9 Pin 3 TSIO_CH1 GP TWRPI Electrode 1 J9 Pin 5 TSIO_CH9 Touch Pad Electrode 2 J9 Pin 7 TSIO_CH10 Touch Pad
18. n chip regulator This is a default setting Power from the Tower Primary Connector USB device interface supplied to the MCF51JF on chip regulator Power from the MCF51JF USB device interface J15 supplied to the on board voltage regulators Table 2 J14 Board Power Source Selection Description Board power is supplied by the 3 3V on board external regulator This is the default setting Board power is supplied by the 1 8V on board external regulator Board power is supplied by the 3 3V MCF51JF on chip internal regulator Power from the 3 3V MCF51JF on chip internal regulator is supplied to the 1 8V on board external regulator Board power is supplied by the 1 8V on board external regulator Note Take care not to install a shunt on J13 pins 1 2 when J14 is in this configuration It is recommended to remove the shunt from J13 1 2 and use it on J14 for this setting An external battery or other alternate source can be connected to pins 5 positive and 6 negative ground TWRMCF51JFUM TWR MCF51JF Tower Module User s Manual Page 9 of 19 2 freescale semiconductor The 3 3V or 1 8V power supplied to the MCU is routed through a jumper J18 The jumper shunt can be removed to allow for either 1 alternate MCU supply voltages to be injected or 2 the measurement of power consumed by the MCU 2 4 Debug Interface There are two debug interface options provided the on board OSBMD circuit and an external
19. ovide configuration selection and signal isolation Refer to the following table for details The default installed jumper settings are shown in bold with asterisks Jumper VT Option ESA Table 3 TWR MCF51JF Jumper Table Infrared Transmitter and Green a LED Connection J2 Flexbus Address Latch Selection J4 Infrared Received Connection J5 Microphone Connection 16 USB Power Switch Enable Input Connection 17 USB Power Switch Flag Output Connection J8 Potentiometer Connection Regulator Power Source J13 Selection J14 Board Power Source Selection J17 OSBDM Mode Selection J18 MCU Power Connection J24 EzPort Power Connection TWRMCF51JFUM 1 2 2 3 1 2 2 3 ON OFF OFF OFF OFF OFF 1 2 5 6 3 5 ON OFF OFF ON OFF TWR MCF51JF Tower Module User s Manual Description Connect PTC5 CMT_IRO to IR Transmitter D1 Connect PTC5 to Green user controllable LED Flexbus address latch disabled Flexbus address latch enabled Connect PTC2 CMPO_IN3 to IR Receiver Q1 Disconnect PTC2 CMPO_IN3 from IR Receiver Connect PTD4 ADCO_SE11 to microphone Disconnect PTD4 ADCO_SE11 from microphone Connect PTB7 to USB power switch enable input Disconnect PTB7 from USB power switch enable input Connect PTCO to USB power switch flag output Disconnect PTCO from USB power switch flag output Connect PTD5 ADCO_SE12 to potentiometer Disconnect PTD5 ADCO_SE12 from potentiometer Refer to Table 1 Refer to Table 2
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