15针 VGA 显示接口

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VGA 是 Video Graphics Adapter(Array) 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

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 ID2 <-- Monitor ID Bit 2
5 GND --- Ground
6 RGND --- Red Ground
7 GGND --- Green Ground
8 BGND --- Blue Ground
9 KEY - Key (No pin)
10 SGND --- Sync Ground
11 ID0 <-- Monitor ID Bit 0
12 ID1 or SDA <-- Monitor ID Bit 1
13 HSYNC or CSYNC --> Horizontal Sync (or Composite Sync)
14 VSYNC --> Vertical Sync
15 ID3 or SCL <-- Monitor ID Bit 3