Game Boy Advance link cable connector is a 6-pin proprietary port used for multiplayer gaming, GameCube connectivity, and trading in Pokemon. The socket is on the top of the GBA console.
| Pin | Name | Function | Type |
|---|---|---|---|
| 1 | VCC | 3.3V supply | PWR |
| 2 | SO | Serial out from GBA | BUS |
| 3 | SI | Serial in to GBA | BUS |
| 4 | SD | Serial data | BUS |
| 5 | SC | Serial clock | BUS |
| 6 | GND | Ground | GND |
Game Boy Advance link cable connector is a 6-pin proprietary port used for multiplayer gaming, GameCube connectivity, and trading in Pokemon. The socket is on the top of the GBA console.