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參數(shù)資料
| 型號(hào)： | GM2121 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | SXGA LCD Monitor Controller with Integrated Analog Interface and Dual LVDS Transmitter |
| 中文描述： | SXGA液晶顯示器控制器集成模擬接口和雙路LVDS發(fā)送器 |
| 文件頁數(shù)： | 39/51頁 |
| 文件大?。?/td> | 489K |
| 代理商： | GM2121 |
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gm2121 Preliminary Data Sheet
C2121-DAT-01F
39
December 2002
http://www.genesis-microchip.com
LCD
Controller
Board
gm2121
Keil Compiler
ROM
OCM
OSD Workbench
gm2121 Driver
G-Wizard
gm2121 Driver
Firmware source files (*.c *.h)
External ROM
Image File (.hex)
ROM Programmer
Figure 27.
Programming the OCM in Full-Custom Configuration
Genesis recommends using Keil compiler (
http://www.keil.com/
) to compile the firmware source code
into a hex file. This hex file is then downloaded into the external ROM using commercially available
ROM programmers.
For development purposes it may be useful to use a ROM emulator. For example, a PROMJET ROM
emulator can be used (
http://www.emutec.com/pjetmain.html)
.
4.14.3 In-System-Programming (ISP) of FLASH ROM Devices
Gm2121 has hardware to program FLASH ROM devices. In particular, the GPIO11/ROM_WEn pin can
be connected to the write enable of the FLASH ROM. Firmware is then used to perform the writes using
the gm2121host registers.
4.14.4 UART Interface
The gm2121 OCM has an integrated Universal Asynchronous Remote Terminal (UART) port that can be
used as a factory debug port. In particular, the UART can be used to 1) read / write chip registers, 2) read
/ write to NVRAM, and 3) read / write to FLASH ROM.
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