A VGA connector is a three-row DB-9/15 (also called mini sub D15) connector for use with a VGA, SVGA, or XGA monitor. A smaller connector, called Mini-VGA is used for laptops.
The following table shows the pinouts of a VGA connector.
Pin |
Signal name |
Description |
1 |
RED |
Red video signal |
2 |
GREEN |
Green video signal |
3 |
BLUE |
Blue video signal |
4 |
n.c. |
No connect |
5 |
GND |
Ground |
6 |
RED_RTN |
Red video signal return |
7 |
GREEN_RTN |
Green video signal return |
8 |
BLUE_RTN |
Blue video signal return |
9 |
n.c. |
No connect |
10 |
GND |
Ground |
11 |
n.c. |
No connect |
12 |
SDA |
I2C data
|
13 |
HSYNC |
Horizontal synchronization signal |
14 |
VSYNC |
Vertical synchronization signal |
15 |
SCL |
I2C clock |