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Summary of Contents for Freescale Semiconductor TWR-LCD
- Page 1 TWR-LCD User’s Manual Rev. 1.3 Freescale Semiconductor Inc.
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Page 2: Table Of Contents
3.6 Bootloader ..................................... 9 3.6.1 Obtaining the S19 file ..................................9 3.6.2 Using the Bootloader ..................................9 3.7 Elevator Connections ..............................10 4 Jumper Table ............................12 4.1 Mechanical Form Factor ............................... 13 TWR-LCD User’s Manual Page 2 of 13... -
Page 3: Overview
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 5.0V... -
Page 4: Reference Documents
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. -
Page 5: Lcd Display / Controller
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. -
Page 6: Resistive Touch Overlay
Select SPI0 CS0 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). -
Page 7: Microsd Card
SDHC Data or SPI Master In / Slave Out GPIO2 / SDHC_D1 GPIO / SDHC General Purpose I/O or SDHC Data GPIO8 / SDHC_D2 GPIO / SDHC General Purpose I/O or SDHC Data TWR-LCD User’s Manual Page 7 of 13... -
Page 8: 5-Way Navigation Switch
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 TWR-LCD User’s Manual... -
Page 9: Bootloader
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 enumerated storage drive, the TWR-LCD will parse the binary file and reprogram the main application running on the TWR-LCD. -
Page 10: Elevator Connections
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. The table below 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. - Page 11 TWR-LCD Primary Connector Name Usage Used Jmp Pin Name Usage Used Jmp Touch Panel XMNS Touch Panel YMNS Touch Panel XPLS Ground Ground DAC1 DAC0 TMR3 TMR1 TMR2 TMR0 GPIO4 GPIO6 3.3V 3.3V PWM7 PWM3 PWM6 PWM2 PWM5 PWM1 PWM4...
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Page 12: Jumper Table
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 Option... -
Page 13: Mechanical Form Factor
Disconnects AN7 from Touch Panel (YPLS) 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. Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. - Page 14 Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: Freescale Semiconductor TWR-LCD...
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