| Pin Voltages | |
|---|---|
| FW (pins 11/12) | |
| USB Vbus (pin 8) | |
| USB D+ (pin 4) | |
| USB D- (pin 6) | |
| Brick Detect | |
| Tx-to-iPod (pin 18) | |
| Reserved (pin 14) | |
| Reserved (pin 17) | |
| Accessory detect (pin 20) | |
|---|---|
| State | |
| Ground count | |
| Float count | |
| ID resistor (pin 10) | |
| State | |
| Bin | |
| Accessory Power (pin 13) | |
| Current | (1 sec average) |