WM9701 Wolfson Microelectronics plc, WM9701 Datasheet - Page 21
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WM9701
Manufacturer Part Number
WM9701
Description
Low Power AC97 Multimedia Audio Codec
Manufacturer
Wolfson Microelectronics plc
Datasheet
1.WM9701.pdf
(24 pages)
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Production Data
SERIAL INTERFACE REGISTER MAP
Table 10 Serial Interface Register Map Description
WOLFSON MICROELECTRONICS LTD.
Reg.
Num.
00h
02h
06h
0Ah
OCh
OEh
10h
12h
14h
16h
18h
1Ah
1Ch
20h
26H
28h
5Ah
7Ah
7Ch
7Eh
Name
Reset
Master
Volume
Master Vol.
Mono
PCBEEP
Volume
Phone
Volume
Mic Volume
Line In
Volume
CD Volume
Video
Volume
Aux
Volume
PCM Out
Vol.
Record
Select
Record
Gain
General
Purpose
Power-
down
Ctrl/Stat
Reserved
Vendor
Reserved
Vendor
Reserved
Vendor ID1
Vendor ID2
D15
X
Mute
Mute
Mute
Mute
Mute
Mute
Mute
Mute
Mute
Mute
X
Mute
X
X
X
X
X
F7
T7
D14
SE4
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
F6
T6
The following table shows the function and address of the various control bits that are loaded
through the serial interface during write operations.
D13
SE3
X
X
X
X
X
X
X
X
X
X
X
X
X
PR5
X
X
X
F5
T5
D12
SE2
ML4
X
X
X
X
GL4
GL4
GL4
GL4
GL4
X
X
X
PR4
X
X
X
F4
T4
D11
SE1
ML3
X
X
X
X
GL3
GL3
GL3
GL3
GL3
X
GL3
X
PR3
X
X
X
F3
T3
D10
SEO
ML2
X
X
X
X
GL2
GL2
GL2
GL2
GL2
SL2
GL2
X
PR2
X
X
X
F2
T2
D9
ID9
ML1
X
X
X
X
GL1
GL1
GL1
GL1
GL1
SL1
GL1
MIX
PR1
X
X
X
F1
T1
D8
ID8
ML0
X
X
X
X
GL0
GL0
GL0
GL0
GL0
SL0
GL0
MS
PR0
X
X
X
F0
T0
D7
ID7
X
X
X
X
X
X
X
X
X
X
X
X
LPBK
X
X
X
X
S7
REV
7
D6
ID6
X
X
X
X
20
dB
X
X
X
X
X
X
X
X
X
X
X
X
S6
REV
6
D5
ID5
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
S5
REV
5
D4
ID4
MR4
MM4
PV3
GN4
GN4
GR4
GR4
GR4
GR4
GR4
X
X
X
X
X
X
X
S4
REV
4
D3
ID3
MR3
MM3
PV2
GN3
GN3
GR3
GR3
GR3
GR3
GR3
X
GR3
X
REF
X
X
X
S3
REV
3
D2
ID2
MR2
MM2
PV2
GN2
GN2
GR2
GR2
GR2
GR2
GR2
SR2
GR2
X
ANL
X
X
X
S2
REV
2
PD Rev 3.2 January 2001
ID1
GN1
DAC
D1
MR1
MM1
PV0
GN1
GR1
GR1
GR1
GR1
GR1
SR1
GR1
X
X
X
X
S1
REV
1
WM9701A
D0
ID0
MM0
MM0
X
GN0
GN0
GR0
GR0
GR0
GR0
GR0
SR0
GR0
X
ADC
X
X
X
S0
REV
0
Default
0140h
8000h
8000h
8000h
8008h
8008h
8808h
8808h
8808h
8808h
8808h
0000h
8000h
0000h
000Fh
X
X
X
574D
4COO
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