Advanced Information
WM9707
SERIAL INTERFACE REGISTER MAP
The following table shows the function and address of the various control bits that are loaded through
the serial interface during write operations.
Reg Name
D15 D14 D13 D12 D11 D10 D9
D8
D7
ID7
X
D6
ID6
X
D5
ID5
X
D4
D3
D2
D1
D0
efault
00h Reset
X
SE4 SE3 SE2 SE1 SE0 ID9
ID8
ID4
ID3
ID2
ID1
ID0
6150h
02h Master volume
04h LNLVL volume
06h Master volume
mono
Mute
Mute
Mute
X
X
X
X
X
X
ML4 ML3 ML2 ML1 ML0
ML4 ML3 ML2 ML1 ML0
MR4 MR3 MR2 MR1 MR0 8000h
MR4 MR3 MR2 MR1 MR0 8000h
MM4 MM3 MM2 MM1 MM0 8000h
X
X
X
X
X
X
X
X
X
X
X
0Ah PCBEEP volume
0Ch Phone volume
0Eh Mic volume
10h Line in volume
12h CD volume
14h Video volume
16h Aux volume
18h PCM out volume
1Ah Rec select
1Ch Rec gain
Mute
Mute
Mute
Mute
Mute
Mute
Mute
Mute
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
3D
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
PV3 PV2 PV2 PV0
X
8000h
GN4 GN3 GN2 GN1 GN0 8008h
GN4 GN3 GN2 GN1 GN0 8008h
GR4 GR3 GR2 GR1 GR0 8808h
GR4 GR3 GR2 GR1 GR0 8808h
GR4 GR3 GR2 GR1 GR0 8808h
GR4 GR3 GR2 GR1 GR0 8808h
GR4 GR3 GR2 GR1 GR0 8808h
20dB
X
GL4 GL3 GL2 GL1 GL0
GL4 GL3 GL2 GL1 GL0
GL4 GL3 GL2 GL1 GL0
GL4 GL3 GL2 GL1 GL0
GL4 GL3 GL2 GL1 GL0
X
X
X
X
X
X
lD
X
X
X
SL2 SL1 SL0
X
X
X
X
X
X
X
X
SR2 SR1 SR0 0000h
GR3 GR2 GR1 GR0 8000h
0000h
DP3 DP2 DP1 DP0 0000h
0000h
REF ANL DAC ADC 000Fh
Mute
GL3 GL2 GL1 GL0
X
20h General purpose
22h 3Dcontrol
24h Reserved
POP ST
X
X
X
X
X
X
MIX MS LPBK
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
26h Power/down control APD
status
PR5 PR4 PR3 PR2 PR1 PR0
X
28h Ext’d audio ID
ID1
X
ID0
X
X
X
X
X
Amap Ldac Sdac Cdac
Madc Ldac Sdac Cdac
X
X
X
X
VRM
VRM
X
X
DRA VRA 1001h
DRA VRA 0000h
2Ah Ext’d audio stat/ctrl
2Ch Front DAC rate
32h Audio ADC rate
5Ch Vendor specific
PRL PRK PRJ PRI
SR15 SR14 SR13 SR12 SR11 SR10 SR9 SR8 SR7 SR6 SR5 SR4 SR3 SR2 SR1 SR0 BB80h
SR15 SR14 SR13 SR12 SR11 SR10 SR9 SR8 SR7 SR6 SR5 SR4 SR3 SR2 SR1 SR0 BB80h
REVISION
X
X
X
X
X
X
X
X
X
X
X
X
SCMS SPDF Mute 1000h
72h Front mixer volume Mute
X
X
X
X
GL4 GL3 GL2 GL1 GL0
GR4 GR3 GR2 GR1 GR0 0808h
74h Surround sound
7Ah Vendor reserved
7Ch Vendor ID1
X
X
X
X
X
X
X
X
ASS1 ASS0
X
X
X
X
X
X
X
X
X
DSS1 DSS0 0000h
X
X
X
F1
T1
X
X
X
X
X
X
0000h
574Dh
F7
T7
F6
T6
F5
T5
F4
T4
F3
T3
F2
T2
F0
S7
S6
S5
S4
S3
S2
S1
S0
7Eh Vendor ID2
T0 Rev7 Rev6 Rev5 Rev4 Rev3 Rev2 Rev1 Rev0 4C03h
Table 17 Serial Interface Register Map Description
WOLFSON MICROELECTRONICS LTD
AI Rev 2.2 January 2001
27
WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
