SH7760 Datasheet, PDF (948/1345 Pages) Renesas Technology Corp – SuperHTM RISC engine

25.4 AC 97 Frame Slot Structure
Figure 25.2 shows the AC97 frame slot structure. This LSI supports slots 0 to 4 only. Slots 5 to 12
are out of scope.
Slot No.
HAC_SYNC
0
1
2
3
4
5
6
7
8
9
10 11 12
HAC_SD_OUT
(transmit)
HAC_SD_IN
(receive)
TAG
CMD
Addr
CMD
Data
PCML PCMR LINE1 PCM PCML PCMR PCM
Front Front DAC Center Surr Surr LFE
LINE2 HSET IO
DAC DAC CTRL
TAG
Status Status PCM
Addr Data Left
PCM
Right
LINE1 PCM
ADC MIC
Reser Reser Reser LINE2 HSET IO
ved ved ved ADC ADC Status
Figure 25.2 AC97 Frame Slot Structure
Table 25.3 AC97 Transmit Frame Structure
Slot Name
0
SDATA_OUT TAG
1
Control CMD Addr write port
2
Control DATA write port
3
PCM L DAC playback
4
PCM R DAC playback
5
Modem Line 1 DAC
6
PCM Center
7
PCM Surround L
8
PCM Surround R
9
PCM LFE
10
Modem Line 2 DAC
11
Modem handset DAC
12
Modem IO control
Description
Codec IDs and Tags indicating valid data
Read/write command and register address
Register write data
Left channel PCM output data
Right channel PCM output data
Modem 1 output data (unsupported)
Center channel PCM data (unsupported)
Surround left channel PCM data (unsupported)
Surround right channel PCM data (unsupported)
LFE channel PCM data (unsupported)
Modem 2 output data (unsupported)
Modem handset output data (unsupported)
Modem control IO output (unsupported)
Rev. 1.0, 02/03, page 898 of 1294