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VGA Vesa DDC显示接口

joe posted @ 2010年4月24日 17:53 in 电脑基础 with tags VGA Vesa DDC , 9763 阅读

原文:http://www.fxdzw.com/qtwz/pcjk/Vesa-DDc.htm

VGA 是 Video Graphics Adapter(Array) 的缩写,VESA 是 Video Electronics Standards Association 的缩写,DDC 是 Display Data Channel 的缩写,信号类型为模拟类型,显示卡端的接口为 15 针母插座:

15 PIN HIGHDENSITY D-SUB FEMALE

显示器连线端的接口为 15 针公插头:

15 PIN HIGHDENSITY D-SUB MALE

显示器连线端的接口为 15 针公插头:
15 PIN HIGHDENSITY D-SUB MALE

引脚定义
Pin Name Dir Description
1 RED --> Red Video (75 ohm, 0.7 V p-p)
2 GREEN --> Green Video (75 ohm, 0.7 V p-p)
3 BLUE --> Blue Video (75 ohm, 0.7 V p-p)
4 RES - Reserved
5 GND --- Ground
6 RGND --- Red Ground
7 GGND --- Green Ground
8 BGND --- Blue Ground
9 +5V --> +5 VDC
10 SGND --- Sync Ground
11 ID0 <-- Monitor ID Bit 0 (optional)
12 SDA <-> DDC Serial Data Line
13 HSYNC or CSYNC --> Horizontal Sync (or Composite Sync)
14 VSYNC --> Vertical Sync
15 SCL <-> DDC Data Clock Line
John 说:
2022年1月12日 03:54 this blog was really great, never seen a great blog like this before. i think im gonna share this to my friends.. become a credit card processor

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