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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)： | 34/51頁 |
| 文件大?。?/td> | 489K |
| 代理商： | GM2121 |
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gm2121 Preliminary Data Sheet
4.11 Dual Four Channel LVDS Transmitter
C2121-DAT-01F
34
December 2002
http://www.genesis-microchip.com
The gm2121 implements the industry standard flexible four channel dual LVDS transmitter. The LVDS
transmitter can support the following:
Single or double pixel mode
24/48-bit panel mapping to the LVDS channels (see Table 14)
18/36-bit panel mapping to the LVDS channels (see Table 15)
Programmable even/odd LVDS swapping
Programmable channel swapping (the clocks are fixed)
Programmable channel polarity swapping
Support up to SXGA 75Hz output
Table 14.
Supported LVDS 24-bit Panel Data Mapping
Channel 0
Channel 1
Channel 2
Channel 3
R0, R1, R2, R3, R4, R5, G0
G1, G2, G3, G4, G5, B0, B1
B2, B3, B4, B5, PHS, PVS, PDE
R6, R7, G6, G7, B6, B7, RES
Channel 0
Channel 1
Channel 2
Channel 3
R2, R3, R4, R5, R6, R7, G2
G3, G4, G5, G6, G7, B2, B3
B4, B5, B6, B7, PHS, PVS, PDE
R0, R1, G0, G1, B0, B1, RES
Table 15.
Supported LVDS 18-bit Panel Data Mapping
Channel 0
Channel 1
Channel 2
Channel 3
R0, R1, R2, R3, R4, R5, G0
G1, G2, G3, G4, G5, B0, B1
B2, B3, B4, B5, PHS, PVS, PDE
Disabled for this mode
4.12 Energy Spectrum Management (ESM)
High spikes in the EMI power spectrum may cause LCD monitor products to violate emissions standards.
The gm2121 has many features that can be used to reduce electromagnetic interference (EMI). These
include drive strength control, dual-edge clocking and clock spectrum modulation. These features help to
eliminate the costs associated with EMI reducing components and shielding.
4.13 OSD
The gm2121 has a fully programmable, high-quality OSD controller. The graphics are divided into “cells”
12 by 18 pixels in size. The cells are stored in an on-chip static RAM (4096 words by 24 bits) and can be
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