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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
|
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