alc658 Realtek Semiconductor Corporation, alc658 Datasheet - Page 12

• Manufacturer Part Number: alc658
• Description: Six-channel Ac?97 2.3 Audio Codec
• Manufacturer: Realtek Semiconductor Corporation

6.
6.1. Mixer Registers
Access to registers with an odd number will return a 0. Reading unimplemented registers will also return a 0.
Six-Channel AC’97 2.3 Audio Codec
(hex)
Reg.
0Ah
0Ch
1Ah
1Ch
2Ah
2Ch
3Ah
6Ah
0Eh
2Eh
00h
02h
10h
12h
16h
18h
20h
24h
26h
28h
30h
32h
36h
38h
64h
66h
CD Volume Mute
Center/LFE
channel Ctl
PCM LFE.
PCM Input
S/PDIF Ctl
Ctrl/Status
PCM front
PCM Surr.
Surr. DAC
PC_BEEP
Audio Int.
CEN/LFE
PCM Out
& Paging
Audio ID
Extended
Extended
Surround
PHONE
Purpose
Name
Volume
Volume
Volume
Volume
Volume
Volume
Volume
General
Volume
Volume
Volume
Volume
Line-In
Sample
Sample
Sample
Sample
Record
Record
Master
Power
Multi-
Select
Down
Audio
Status
Reset
DAC
Register Descriptions
MIC
Gain
Rate
Rate
Rate
Rate
Aux
EAPD
D15
Mute
Mute
Mute
Mute
Mute
Mute
Mute
Mute
Mute
Mute
Mute
Mute
I4
X
X
X
V
0
1
1
1
1
0
0
D14 D13 D12 D11 D10 D9
X
X
X
X
X
X
X
X
X
X
X
I3
X
X
X
X
X
X
0
0
0
0
0
0
0
0
SPSR1 SPSR0
LSR5 LSR4 LSR3 LSR2 LSR1 LSR0 Mute
LFE5 LFE4 LFE3 LFE2 LFE1 LFE0 Mute
ML5 ML4 ML3 ML2 ML1 ML0
PRK
PR5
I2
X
X
X
X
X
X
X
X
X
X
X
X
X
0
1
1
1
1
0
LSD4 LSD3 LSD2 LSD1 LSD0
NL4
AL4
LD4
CL4
PR4
PL4
PRJ
F7
I1
X
X
X
X
X
X
0
1
1
1
1
0
LRG3 LRG2 LRG1 LRG0
REV1 REV0
NL3
AL3
LD3
CL3
PL3
PR3
PRI SPCV
F6
I0
X
X
X
X
1
1
1
1
L
0
0
Table 5. Mixer Registers
LRS2 LRS1 LRS0
NL2
CL2
AL2
PR2
CC6
LD2
PL2
F5
X
X
X
X
0
0
0
0
0
0
MIX
NL1
AL1
CC5
LD1
CL1
PL1
PR1
F4
X
X
X
X
0
0
1
1
1
1
0
LDAC SDAC CDAC
LDAC SDAC CDAC SPSA
NL0
CL0
AL0
PR0
CC4
LD0
PL0
8
D8
MS
F3
X
X
X
0
1
1
1
1
0
LBK
CC3
D7
F2
X
X
X
X
X
X
X
X
X
X
X
X
X
0
1
1
1
1
0
20dB
CC2
D6
F1
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
0
0
0
0
0
0
CNT5 CNT4 CNT3 CNT2 CNT1 CNT0
RSR5 RSR4 RSR3 RSR2 RSR1 RSR0
ML5 MR4 MR3 MR2 MR1 MR0
CC1
D5
F0
X
X
X
X
X
X
X
X
X
X
X
X
X
X
0
1
0
0
0
0
0
SPSA
RSD4 RSD3 RSD2 RSD1 RSD0
NR4
CR4
AR4
CC0
CD4
PB3
PH4
MI4
PR4
D4
X
X
X
X
X
X
0
0
0
0
0
0
0
RRG3 RRG2 RRG1 RRG0
NR3 NR2 NR1 NR0
CR3
AR3 AR2 AR1 AR0
PG3
REF ANL DAC ADC
PRE COPY /AUDI
CD3 CD2 CD1 CD0
PB2
PH3
MI3
PR3
D3
X
X
X
X
0
0
0
0
0
0
SPDIF DRA VRA
SPDIF DRA VRA
RRS2 RRS1 RRS0
PB1
PH2
CR2
PG2
MI2
PR2
D2
X
0
0
0
0
0
0
CR1
PB0
PH1
MI1
PR1
PG1
D1
X
O
0
0
0
0
0
0
PRO
PH0
CR0
PG0
MI0
PR0
D0
X
X
0
0
0
0
0
0
Datasheet
ALC658
Default
Rev. 1.3
BB80h
BB80h
BB80h
BB80h
09C7h
0180h
8000h
8000h
8008h
8008h
8808h
8808h
8808h
8808h
0000h
8000h
0000h
0000h
000Fh
05F0h
8080h
8080h
2000h
0808h
0808h
0000h