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：
显示器连线端的接口为 15 针公插头：
|
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 |
