參數(shù)資料
型號： 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)： 3/51頁
文件大小： 489K
代理商： GM2121
gm2121 Preliminary Data Sheet
C2121-DAT-01F
3
December 2002
http://www.genesis-microchip.com
Table Of Contents
1
Overview........................................................................................................................................8
1.1
gm2121 System Design Example..........................................................................................8
1.2
gm2121 Features ...................................................................................................................9
GM
2121 Pinout............................................................................................................................10
GM
2121Pin List...........................................................................................................................11
Functional Description.................................................................................................................16
4.1
Clock Generation.................................................................................................................16
4.1.1
Using the Internal Oscillator with External Crystal........................................................17
4.1.2
Using an External Clock Oscillator.................................................................................19
4.1.3
Clock Synthesis...............................................................................................................20
4.2
Chip Initialization................................................................................................................21
4.2.1
Hardware Reset...............................................................................................................21
4.2.2
Correct Power Sequencing..............................................................................................22
4.3
Analog to Digital Converter................................................................................................22
4.3.1
ADC Pin Connection.......................................................................................................23
4.3.2
ADC Characteristics........................................................................................................23
4.3.3
Clock Recovery Circuit...................................................................................................24
4.3.4
Sampling Phase Adjustment............................................................................................25
4.3.5
ADC Capture Window....................................................................................................25
4.4
Test Pattern Generator (TPG)..............................................................................................26
4.5
Input Format Measurement .................................................................................................26
4.5.1
HSYNC / VSYNC Delay................................................................................................27
4.5.2
Horizontal and Vertical Measurement ............................................................................28
4.5.3
Format Change Detection................................................................................................28
4.5.4
Watchdog ........................................................................................................................28
4.5.5
Internal Odd/Even Field Detection (For Interlaced Inputs to ADC Only)......................28
4.5.6
Input Pixel Measurement ................................................................................................29
4.5.7
Image Phase Measurement..............................................................................................29
4.5.8
Image Boundary Detection..............................................................................................29
4.5.9
Image Auto Balance........................................................................................................29
4.6
RealColor
TM
Digital Color Controls....................................................................................29
4.6.1
RealColor Flesh tone Adjustment ...............................................................................30
4.6.2
Color Standardization and sRGB Support.......................................................................30
4.7
High-Quality Scaling...........................................................................................................30
4.7.1
Variable Zoom Scaling....................................................................................................30
2
3
4
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