r8a77850anbg Renesas Electronics Corporation., r8a77850anbg Datasheet - Page 1316

• Manufacturer Part Number: r8a77850anbg
• Description: Renesas 32-bit Risc Microcomputer Superh? Risc Engine Family
• Manufacturer: Renesas Electronics Corporation.

25. Audio Codec Interface (HAC)
25.4
Figure 25.2 shows the AC97 frame slot structure. This LSI supports slots 0 to 4 only. Slots 5 to 12
(hatched area) are out of scope.
Table 25.3 AC97 Transmit Frame Structure
Note:
Rev.1.00 Jan. 10, 2008 Page 1286 of 1658
REJ09B0261-0100
Slot
0
1
2
3
4
5
6
7
8
9
10
11
12
HAC_SDOUT (transmit)
HAC_SDIN (receive)
HAC_SYNC
*
AC 97 Frame Slot Structure
Slot No.
Name
SDATA_OUT TAG
Control CMD Addr write port
Control DATA write port
PCM L DAC playback
PCM R DAC playback
Modem Line 1 DAC
PCM Center
PCM Surround L
PCM Surround R
PCM LFE
Modem Line 2 DAC
Modem handset DAC
Modem IO control
There is no register for unsupported functions.
TAG
TAG
0
CMD
Addr
Status
Addr
Figure 25.2 AC97 Frame Slot Structure
1
CMD
Data
Status
Data
2
PCML
Front
PCM
Left
3
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)*
PCMR
Front
PCM
Right
4
LINE1
DAC
LINE1
ADC
5
PCM
Center
PCM
MIC
6
PCML
Surr
Reser
ved
7
PCMR
Surr
Reser
ved
8
PCM
LFE
Reser
ved
9
LINE2
DAC
LINE2
ADC
10
HSET
DAC
HSET
ADC
11
IO
CTRL
IO
Status
12