SCART is the European 21-pin AV connector carrying RGB video, composite video, S-Video, and stereo audio bidirectionally. Standard on European TVs and AV equipment from the 1980s through 2000s. Larger than modern connectors.
| Pin | Name | Function | Type |
|---|---|---|---|
| 1 | Audio Out Right | Right audio output from AV device | ADC |
| 2 | Audio In Right | Right audio input to AV device | ADC |
| 3 | Audio Out Left / Mono | Left audio output | ADC |
| 4 | Audio Ground | Audio signal ground | GND |
| 5 | Blue Ground | Blue signal ground | GND |
| 6 | Audio In Left / Mono | Left audio input | ADC |
| 7 | Blue | RGB blue signal, 0.7Vpp 75 ohm | ADC |
| 8 | Switching Voltage | 0V=TV, 6V=widescreen, 12V=16:9 signal | I/O |
| 9 | Green Ground | Green signal ground | GND |
| 10 | Data 2 | Reserved / clock (varies) | I/O |
| 11 | Green | RGB green signal, 0.7Vpp 75 ohm | ADC |
| 12 | Data 1 | Reserved / data (varies) | I/O |
| 13 | Red Ground | Red signal ground | GND |
| 14 | Data Ground | Data and ground reference | GND |
| 15 | Red | RGB red signal, 0.7Vpp 75 ohm | ADC |
| 16 | Blanking | RGB blanking, 0V=composite, 1-3V=RGB | I/O |
| 17 | Composite Ground | Composite video ground | GND |
| 18 | Blanking Ground | Blanking signal ground | GND |
| 19 | Composite Video Out | Composite video output 1Vpp 75 ohm | ADC |
| 20 | Composite Video In | Composite video input | ADC |
| 21 | Ground / Shell | Connector shell and chassis ground | GND |