25. Audio Codec Interface (HAC)
Rev.1.00 Jan. 10, 2008 Page 1287 of 1658
REJ09B0261-0100
Table 25.4 AC97 Receive Frame Structure
Slot Name Description
0 SDATA_IN TAG Tags indicating valid data
1 Status ADDR read port Register address and slot request
2 Status DATA read port Register read data
3 PCM L ADC record Left channel PCM input data
4 PCM R ADC record Right channel PCM input data
5 Modem Line 1 ADC Modem 1 input data (unsupported)*
6 Dedicated Microphone ADC Optional PCM data (unsupported)*
7 to 9 Reserved Reserved
10 Modem Line 2 ADC Modem 2 input data (unsupported)*
11 Modem handset input DAC Modem handset input data (unsupported)*
12 Modem IO status Modem control IO input (unsupported)*
Note: * There is no register for unsupported functions.