Documentation:STK1000/AC97 interface
From AVRFreaks Wiki
The Audio Codec 1997 (AC97) interface let you connect audio devices to AVR32.
[edit] Peripherals and connectors
[edit] Signals
Please refer the datasheet for the AVR32 processor on you daughter board for a description of these signals
| Signal | Description |
|---|---|
| AC97_SDO | Transmitter data |
| AC97_SDI | Receiver data |
| AC97_SYNC | 48 KHz frame indicator |
| AC97_SCLK | 12.288 MHz bit-rate clock |
