TWR-LCD User`s Manual
Contents
1. Used Jmp Pin B30 AN4 Touch Panel XPLS X X A30 ANO B31 GND Ground X A31 GND Ground X B32 DAC1 A32 DACO B33 TMR3 A33 TMR1 B34 TMR2 A34 TMRO B35 GPIO4 A35 GPIO6 B36 3 3V A36 3 3V B37 PWM7 A37 PWM3 B38 PWM6 A38 PWM2 B39 PWM5 A39 PWM1 B40 PWM4 A40 PWMO Piezo Buzzer X X B41 CANRXO 41 RXDO B42 CANTXO A42 TXDO B43 1WIRE A43 RXD1 B44 SPIO MISO LCD SPI MISO X X A44 TXD1 B45 SPIO_MOSI LCD SPI MOSI X X A45 Analog VDD B46 SPIO_CSO_b LCD SPI Chip Select X X A46 Analog VSS B47 SPIO CS1 b LCD SPI Chip Select X X 47 Analog Vref B48 SPIO_CLK LCD SPI Clock X X 48 Analog Vref B49 GND Ground X 49 GND B50 SCL1 A50 GPIO14 B51 SDA1 A51 GPIO15 B52 GPIO5 SD CARD DET A52 GPIO16 B53 USBO DP PDOWN A53 GPIO17 B54 0580 DM PDOWN A54 USBO DM B55 IRQ_H SD Detect X X A55 USBO_DP B56 IRQ_G A56 USBO_ID B57 A57 USBO VBUS B58 E A58 TMR7 B59 D A59 TMR6 B60 IRQ_C A60 TMR5 B61 IRO B A61 TMR4 B62 IRO A A62 RSTIN_b B63 EBI_ALE EBI_CS1_b A63 RSTOUT_b Reset X B64 EBI_CSO_b LCD EBI Chip Select X X A64 CLKOUTO B65 GND Ground X A65 GND Ground X B66 EBI_AD15 LCD EBI X A66 EBI AD14 LCD EBI X B67 EBI AD16 LCD EBI X A67 EBI AD13 LCD EBI X B68 EBI AD17 A68 EBI AD12 LCD EBI X B69 EBI AD18 A69 EBI AD11 LCD EBI X B70 EBI AD19 A70 EBI AD10 LCD EBI X B71 EBI R W b LCD EBI R W b X A71 EBI AD9 LCD EBI X B72 EBI OE b A72 EBI AD8 LCD EBI X B73 EBI D7 A73 EBI AD7 LCD2. EBI X B74 EBI_D6 A74 EBI AD6 LCD EBI X TWR LCD User s Manual Page 11 of 13 S s 2 freescale semiconductor TWR LCD Primary Connector Pin Name Usage Used Jmp Pin Name Usage Used Jmp B75 EBI D5 A75 EBI AD5 LCD EBI X B76 EBI D4 A76 EBI_AD4 LCD EBI X B77 EBI D3 A77 EBI_AD3 LCD EBI X B78 EBI_D2 A78 EBI AD2 LCD EBI X B79 EBI_D1 A79 EBI_AD1 LCD EBI X B80 EBI DO A80 EBI_ADO LCD EBI X 4 jumper Table There are several configuration switches provided for isolation configuration and feature selection Refer to the following table for details The default installed dip switch settings are shown in bold Table 9 TWR LCD Configuration Table Configuration Settings Option Setting Description DIP 1 DIP 2 PS2 PSO OFF OFF Not a valid setting Enables SPI communication mode to the LCD Display can be driven by OFF ON SPIO on the Primary Elevator or by the on board MCF51JM selectable by DIP1 DIP2 PS2 PSO JM ELE SW1 DIP3 ON OFF Enables EBI 16b mode communication to the LCD Display This interface is only accessible from the Tower Elevator MCU Enables EBI 8b mode communication to the LCD Display ON ON AM This interface is only accessible from the Tower Elevator MCU ON Enables SPI connection from SPIO of Primary Elevator Connector DIP 3 JM ELE OFF Enables SPI connect
3. Interface EBI via the primary Tower Side Expansion Ports Use SW1 DIP1 and DIP2 to configure the desired interface mode SPI or EBI Refer to Section 4 for more configuration details Table 1 LCD Communication Mode Settings SW1 DIP1 SW1 DIP 2 PS2 PSO Description Enables SPI communication mode to the LCD Display can be OFF ON driven by SPIO on the Primary Elevator or by the on board MCF51JM selectable by JM ELE SW1 DIP3 Enables EBI 16b mode communication to the LCD Display This interface is only accessible from the Tower Elevator MCU Enables EBI 8b mode communication to the LCD Display This interface is only accessible from the Tower Elevator MCU ON OFF ON ON 3 2 2 MCU Selection The LCD can be controlled by either the on board MCF51JM MCU or a compatible Tower MCU Module Use SW1 DIP3 to specify which MCU has access to the display controller Refer to Section 4 for more configuration details Table 2 Display Driver MCU Selection JM ELE ON Enables SPI connection from SPIO of Primary Elevator Connector SW1 DIP3 OFF Enables SPI connection from on board MCF51JM MCU Setting the JM ELE SW1 DIP3 configuration switch to the Off position will isolate the SPI signals from the Tower MCU allowing a direct connection between the on board MCF51JM MCU and the LCD display controller Setting the JM ELE configuration switch to the On position will cause both the on
4. SW1 DIP6 configuration switch to the Off position will indicate to the on board MCF51JM MCU that it is the interfacing MCU to the touch panel s analog signals Setting the TP SEL configuration switch to the On position will indicate to the on board MCF51JM MCU that the tower MCU Module is the interfacing MCU to the touch panel s analog signals It is required that on board MCF51JM MCU firmware detect the status of the To SEL signal and tri state the respective on board MCF51JM MCU ADC signals SW5 is used to isolate the touch panel s analog signals from the Tower Elevator Side Expansion Port This ensures correct isolation of the analog signals when the on board MCF51JM MCU is used SW5 DIP 4 1 should all be set to the Off position if the on board MCF51JM MCU is being used to interface the resistive touch panel Table 5 Resistive Touch Analog Isolation Settings SW5 DIP 1 Touch Panel ON Connects AN4 TWR ELEV to XPLS Touch Panel Signal Isolation XPLS OFF Disconnects AN4 from Touch Panel SW5 DIP 2 Touch Panel ON Connects AN5 TWR ELEV to XMNS Touch Panel Signal Isolation XMNS OFF Disconnects AN5 from Touch Panel TWR LCD User s Manual Page 6 of 13 LA 2 freescale semiconductor SW5 DIP 3 Touch Panel ON Connects AN6 TWR ELEV to YMNS Touch Panel Signal Isolation YMNS OFF Disconnects AN6 from Touch Panel SW5 DIP 4 Touch Panel ON Connects AN7 TWR ELEV to YPLS Touch Panel
5. Signal Isolation YPLS OFF Disconnects AN7 from Touch Panel 3 3 MicroSD Card The Tower System defines a Secure Digital interface as shown in O The SD Card interface is multiplexed over the SPI1 signals and two GPIOs such that the host can communicate with the SD memory card in the SD Card slot using the SPI mode or the one or four bit SD mode The MicroSD Card slot is accessible to either the on board MCF51JM MCU or a compatible Tower MCU Module Use SW1 DIP4 to select which MCU has access to the MicroSD Card slot Refer to Section 4 for more configuration details Table 6 MicroSD Card Slot MCU Selection ELE uSD ON MicroSD is connected to the SPI1 of Primary Elevator Connector SW1 DIP4 OFF MicroSD is connected to the on board MCF51JM MCU Setting the EuSD SW1 DIP4 configuration switch to the Off position will isolate the SD signals from the Tower MCU allowing a direct connection between the on board MCF51JM MCU and the MicroSD Card slot Setting the EuSD configuration switch to the On position will cause both the on board MCF51JM MCU and Tower MCU SD signals to be simultaneously connected to the MicroSD Card slot It is required that on board MCF51JM MCU firmware detects the status of the EuSD signal and tri state the on board MCF51JM MCU SD signals Table 7 Tower System SD Card Interface Pinout Elevator Pin Name Group Description 1 0 B7 SDHC_CLK SPI1 CLK S
6. board MCF51JM MCU and Tower MCU SPI signals to be simultaneously connected to the LCD display controller It is required that on board MCF51JM MCU firmware detect the status of the JM ELE signal and tri state the on board MCF51JM MCU SPI signals TWR LCD User s Manual Page 5 of 13 e gt s 27 freescale semiconductor If utilizing a Tower MCU module to drive the SPI to the LCD display controller use SW1 DIP5 to specify the desired SPI chip select Table 3 Tower MCU SPI CS Selection SPI CS SEL ON Select SPIO CS1 as the chip select for LCD SPI interface SW1 DIP5 OFF Select SPIO CSO as the chip select for LCD SPI interface 3 2 3 Resistive Touch Overlay The TWR LCD display features an integrated analog resistive touch panel The panel can be access by either the on board MCF51JM MCU or a compatible Tower MCU module The selection of which MCU interfaces the Touch Panel is independent of which MCU is driving the LCD display controller designated by JM ELE Use SW1 DIP6 to specify which MCU has access to the resistive touch panel Refer to Section 4 for more configuration details Table 4 Resistive Touch MCU Selection ON Disables MCF51JM connection to the LCD Touch Panel TP SEL Use SW5 to enable ADC connection from Primary Elevator Connector SW1 DIP6 OFF Enables MCF51JM connection to the LCD Touch Panel Ensure that all switches on SW5 DIP are OFF Setting the TP SEL
7. enumerate as a Mass Storage Device Inside the newly added storage device there will be an empty file named READY TXT Address Folders x Name Size Type Date Modified 2 Desktop READY TXT OKB TextDocument 4 18 2008 8 20 AM My Documents 4 My Computer amp SYSTEM C amp DATA D gt DVD CD RW Drive E s Removable Disk F control Panel a My Network Places m Copy and paste the S19 file into the enumerated drive Upon successful programming you will hear two beeps from the board and the S19 file will appear on the removable drive Reset or power cycle to TWR LCD to execute the new application TWR LCD User s Manual Page 9 of 13 S s e freescale semiconductor For additional information regarding using and creating the TWR LCD Bootloader refer to the TWR LCD Lab Guide Document 3 7 Elevator Connections The TWR LCD features two 80 pin connectors that interface to the Side Expansion Ports on the Primary Elevator board in a Tower System The Primary Elevator Side Expansion Port connectors comprised of sides A and B are utilized by the TWR LCD Error Reference source not found provides the pinout for the Primary Elevator Connector An X in the Used column indicated that there is a connection from the TWR LCD to that pin on the Elevator connector An X in the Jmp column indicates that a jumper is available that can configure or isolate the connection from th
8. 4 gt freescale TWR LCD User s Manual Rev 1 1 Freescale Semiconductor Inc oe 524 27 freescale Contents 1 EE Ne 3 2 Reference D OCUMIEMUS iii cvcciscescicceeicccsceceatesveadesaaticcsesdusrscuvsc dneasisedoescttanses usrdeasinessauesvadhtcedsacooudseuiaucisasneas 4 3 Hardware vissisceiicciiecscccidiscucicashsucsindeniccevscncaecdunetedccsteasosasuaicauvedensscdvucustdasheusejaceticeidaesusavuneucleddleus 4 3 1 dowd S 4 3 2 LCD Display Controller aaa in non 5 3 2 1 Communication Mode sicci n 5 3 2 2 MCU Selection 32 3 Resistive Touch Overlay e tires erepti ust ta aie e E CIL EDI LEE 6 3 3 MADE ee 7 3 4 5 way Navigation Switch te ee ene at ane en et AO qu cM RR RC ra 8 3 5 Mini B USB dede Rad 8 BN ESO 01 9 0 0 21 GRE nOD 9 3 6 1 Obtaining 5 19 ene dep peret U 9 3 6 2 Using the Bootloader LU E DU 9 3 7 Elevator Connections tede eii i in daga Deo Led eed a ned eec i rag ir D 10 4 jumper Table onini c aa 12 4 1 Mechanical Form Factor Ni stvrt kn nn n 13 TWR LCD User s Manual Page 2 of 13 eo 77 freescale semiconductor 1 Overvie
9. DHC SPI 1 SDHC or SPI Clock O B9 SDHC_D3 SPI1_CSO_b SDHC SPI 1 SDHC Chip Select Data or SPI Chip Select O B10 SDHC CMD SPI1 MOSI SDHC SPI 1 SDHC Command or SPI Master Out Slave In O B11 SDHC DO SPI1 MISO SDHC SPI 1 SDHC Data or SPI Master In Slave Out 22 GPIO2 SDHC_D1 GPIO SDHC General Purpose I O or SDHC Data I O A10 GPIO8 SDHC 02 GPIO SDHC General Purpose I O or SDHC Data I O The SD Card Detect signal is connected to KBI7 on the on board MCF51JM MCU and if configured via EuSD SW1 DIP4 IRO Hon the Primary Tower Elevator This will allow the host controller to monitor the presence of an SD memory card To ensure that he SD Card Detect is handled properly the MCF51JM must configure the SD Card Detect GPIO KBI PTG3 KBIP7 as an internal pull up This is TWR LCD User s Manual Page 7 of 13 e s 27 freescale semiconductor done by setting the appropriate register values for PTEPE PTGPE3 1 for GPIO and additionally KBI1ES KBEDG7 0 for KBI functionality Refer to the MCF51JM128 Reference Manual Section 9 for additional details The SD Card Detect signal must be configured as an internal pull up regardless of which host MCU is accessing the MicroSD Card slot 3 4 5 way Navigation Switch The TWR LCD features a 5 way Navigation Switch This switch will allow user interaction with the TWR LCD providing a method to indicate Up North Down South Right East Left West an
10. ctor to XMNS Touch Panel Signal DIP 2 Isolation m 9 ANS TET g XMNS isconnects AN5 from Touch Pane o Touch Panel ON Connects AN6 of Primary Elevator Connector to YMNS Touch Panel Signal DIP 3 Isolation EXE f h YMNS OFF Disconnects AN6 from Touch Pane Touch Panel ON Connects AN7 of Primary Elevator Connector to YPLS Touch Panel Signal DIP 4 Isolation 5 TUM YPLS isconnects A rom Touch Pane 4 1 Mechanical Form Factor The TWR LCD is designed for the Freescale Tower System as a side mounting peripheral and complies with the electrical and mechanical specification as described in Freescale Tower Electromechanical Specification T Z freescale semiconductor Freescale and the Freescale logo are trademarks of Freescale Semiconductor Inc All other product or service names are the property of their respective owners Freescale Semiconductor Inc 2009 All rights reserved TWR LCD User s Manual Page 13 of 13
11. d Select Center The corresponding directional signals are connected to the on board MCF51JM MCU It is intended that the on board MCF51JM MCU firmware either respond directly to the Navigation Switch or relay the signal detection to the Tower MCU module through the I2C interface It is possible to connect the 5 way Navigation Switch directly to the Tower Elevator by making a hardware modification to the TWR LCD The following resister will should to be populated to create a direct connection to the Tower Elevator R19 R22 R23 R24 R26 R28 R29 R32 R41 R44 The resisters are intentionally unpopulated in the final design to ensure maximum compatibility with additional Freescale Tower MCU and Peripheral Modules Populating these resisters will enable to following connections Navigation Direction Tower Elevator Connection Up North GPIO7 Pin A11 Down South GPIO8 Pin A10 Right East GPIO5 Pin B52 Left West GPIO1 Pin B21 Select Center GPIO9 Pin A9 Refer to the Optional Nav Switch Connections to Elevator section within the TWR LCD schematics for additional details 3 5 Mini B USB Connection The TWR LCD features a Mini B USB connection on the lower right corner of the module The USB connector is used to provide power to the TWR LCD module when operating in stand alone mode not connected to the tower system The USB data signals are connected to the on board MCF51JM MCU allow a co
12. documents listed below should be referenced for more information on the Freescale Tower system and the TWR LCD Refer to http www freescale com tower for the latest revision of all Tower documentation TWR LCD Schematics e TWR LCD Quick Start Guide e Truly TFT2NO451 E LCD Module Specification 3 Hardware Features This section provides more details about the features and functionality of the TWR LCD 3 1 Power Supply The TWR LCD can be powered as a standalone device from the Mini B USB connector The TWR LCD can also be powered from a source in an assembled Tower System via the 5 0V supply on the TWR ELEV Side Expansion Port When attached to a Tower Elevator board it is required that the board be externally powered from the Elevator board additionally the USB connector on the TWR LCD can still be used to communicate over USB to the on board MCF51JM MCU On board power regulation will provide the necessary core voltage 3 3V and backlight driver voltage 15 5V TWR LCD User s Manual Page 4 of 13 e s 27 freescale semiconductor 3 2 LCD Display Controller The TWR LCD features a Truly Semiconductor 3 2 TFT LCD with an analog resistive touch overlay 3 2 1 Communication Mode The LCD utilizes a 240 RGB x 320 QVGA display controller The display controller is accessible to the on board MCF51JM MCU through SPI The controller is also accessible to any compatible Tower MCU module through SPI or the External Bus
13. e Elevator connector Table 8 TWR LCD Primary Elevator Connector Pinout TWR LCD Primary Connector Used Jmp Pin B1 5V 5V Power X A1 5V 5V Power X B2 GND Ground X A2 GND Ground X B3 3 3V A3 3 3V B4 ELE_PS_SENSE A4 3 3V B5 GND Ground X A5 GND Ground X B6 GND Ground X A6 GND Ground X B7 SDHC_CLK SPI1_CLK_ uSD Clock X X A7 SCLO X B8 SDHC D3 SPI1 CS1 b A8 SDAO X B9 SDHC D3 SPI1 CSO b USD Chip Select Data3 X X A9 GPIO9 CTS1 B10 SDHC CMD SPI1 MOSI USD MOSI Command X X A10 GPIO8 SDHC D2 50 Data2 X X B11 SDHC DO SPI1 MISO uSD MISO DataO X X A11 GPIO7 SD WP DET PES EEE ee B12 ETH COL A12 ETH CRS B13 ETH RXER A13 ETH MDC B14 ETH TXCLK A14 ETH MDIO B15 ETH TXEN A15 ETH RXCLK B16 ETH TXER A16 ETH RXDV B17 ETH TXD3 A17 ETH RXD3 B18 ETH TXD2 A18 ETH RXD2 B19 ETH TXD1 A19 ETH RXD1 B20 ETH TXDO A20 ETH RXDO B21 GPIO1 RTS1 A21 SSI_MCLK B22 GPIO2 SDHC D1 SD Data1 X X A22 SSI BCLK B23 GPIO3 A23 SSI FS B24 CLKINO A24 SSI_RXD B25 CLKOUT1 A25 SSI_TXD B26 GND Ground X A26 GND B27 AN7 Touch Panel YPLS X X A27 AN3 B28 AN6 Touch Panel XMNS X X A28 AN2 B29 AN5 Touch Panel YMNS X X A29 AN1 TWR LCD User s Manual Page 10 of 13 freescale semiconductor TWR LCD Primary Connector
14. ion from on board MCF51JM MCU S ON MicroSD is connected to the SPI1 of Primary Elevator Connector an DIP 4 ELE uSD OFF MicroSD is connected to the on board MCF51JM MCU ON Select SPIO CS1 as the chip select for LCD SPI interface DIP 5 SPI CS SEL OFF Select SPIO CSO as the chip select for LCD SPI interface ON Disables MCF51JM connection to the LCD Touch Panel Use SW5 to enable ADC connection from Primary Elevator Connector DIP 6 TP SEL OFF Enables MCF51JM connection to the LCD Touch Panel Ensure that SW5 DIP 4 1 are OFF ON Enables LCD Backlight DIP 7 LCD BL OFF Disables LCD Backlight ON Piezo Buzzer is controlled by PWMO of Primary Elevator Connector and DIP 8 ELE PWMO on board MCF51JM OFF Piezo Buzzer is controlled by on board MCF51JM only North Up Indicates North signal to onboard MCU 5 way East Right Indicates East signal to onboard MCU A 5 way Nav Navigation South Down Indicates South signal to onboard MCU Switch West Left Indicates West signal to onboard MCU Center Enter Indicates Center signal to onboard MCU TWR LCD User s Manual Page 12 of 13 S e z freescale semiconductor Configuration m Settings Option Setting Description Touch Panel ON Connects AN4 of Primary Elevator Connector to XPLS Touch Panel Signal DIP 1 Isolation PRESNE f h i XPLS OFF Disconnects AN4 from Touch Pane Touch Panel ON Connects AN5 of Primary Elevator Conne
15. nnection to exist between a host device and the TWR LCD In Boot Loader mode if the USB cable is connected to a host PC the TWR LCD will enumerate as a Mass Storage Device If an appropriate compiled binary s19 file is placed in the root directory of the TWR LCD User s Manual Page 8 of 13 e o 27 freescale semiconductor enumerated storage drive the TWR LCD will parse the binary file and reprogram the main application running on the TWR LCD Refer to Section 3 6 for more details 3 6 Bootloader The TWR LCD includes a USB bootloader that allows simple drag and drop reprogramming This section will describe how to use the bootloader 3 6 1 Obtaining the S19 file The bootloader accepts srecord or S19 files that it uses to program the board In the example projects this file can be found in the project directory gt bin folder and will end in an s19 file extension This file will get overwritten every time the project is compiled To create an S19 file click on the Standard Settings button on your project and look for the Linker category Select ColdFire Linker and make sure that the Generate S Record File option is checked Also make sure that the Max S Record Length field is set to 32 3 6 2 Using the Bootloader Connect the on board USB connector to a Windows computer using the included mini B to A USB cable and press reset while holding down the BTLD push button The badge board will then
16. w The Tower LCD Module TWR LCD adds a side mounting TFT QVGA Display to the Freescale Tower System It can be used with a wide variety of Tower Processor Modules through a SPI and or external bus interface EBI The TWR LCD features a 3 2 QVGA TFT LCD Display with touch sensitive overlay 5 way navigation control MicroSD Card slot dedicated MCF51JM microcontroller and a Piezo Buzzer for audible feedback The LCD Display Controller is accessible to the dedicated MCF51JM microcontroller through the SPI The LCD Display Controller is also accessible to any capable Tower MCU module utilizing either the SPI or the EBI A block diagram for the TWR LCD is shown in the figure below Tower Primary Side Expansion Ports Sides A and B External Bus Interface EBI SPI IRQ GPIO en amp c 2 gt a S I microSD Analo v 0 2 KBI GPIO Card Socket Analog Resistive Touch Panel mini B USB Recepticle 5 0V USB DP DN 1 b 7 5 Way Navigation VY Switch ET External Connectors RI Interface Component I Freescale Device C Power Figure 1 TWR LCD Block Diagram TWR LCD User s Manual Page 3 of 13 77 freescale semiconductor r1 Lb ANN ty ledet dele jenen a www DH 1 9 CJaTNR LCD REV A ab Figure 2 Tower System with TWR LCD 2 Reference Documents The
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