ad1881a Analog Devices, Inc., ad1881a Datasheet - Page 11

• Manufacturer Part Number: ad1881a
• Description: Ac?97 Soundmax Codec
• Manufacturer: Analog Devices, Inc.

Reg
Num
00h
02h
04h
06h
08h
0Ah
0Ch
0Eh
10h
12h
14h
16h
18h
1Ah
1Ch
1Eh
20h
22h
26h
28h
2Ah
2Ch/
(7Ah)
32h /
(78h)
34h
5ah
70h
72h
74h
76h
7Ch
7Eh
NOTES
All registers not shown and bits containing an X are assumed to be reserved.
Odd register addresses are aliased to the next lower even address.
Reserved registers should not be written.
Zeros should be written to reserved bits.
Indicates Aliased register for AD1819, AD1819A backward compatibility.
Vendor Reserved registers should not be written.
Name
Reset
Master Volume
Reserved
Master Volume Mono
Reserved
PC Beep Volume
Phone In Volume
MIC Volume
Line In Volume
CD Volume
Video Volume
Aux Volume
PCM Out Vol
Record Select
Record Gain
Reserved
General Purpose
3D Control
Power-Down Cntrl/Stat
Extended Audio ID
Extended Audio Stat/Ctrl X
PCM DAC Rate (SR1)
PCM ADC Rate (SR0)
Reserved
Vendor Reserved
Reserved
Serial Configuration
Misc. Control Bits
Vendor ID1
Vendor ID2
D15
X
MM
X
MMM X
X
PCM
PHM
MCM
LM
CVM
VM
AM
OM
X
IM
X
POP
X
EAPD
ID1
SR15
SR15
X
..
X
SLOT
16
DAC
Z
F7
T7
D14
SE4
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
ID0
X
SR14
SR14
X
..
X
X
LPMI X
X
F6
T6
D13
SE3
LMV5 LMV4 LMV3 LMV2 LMV1 LMV0 X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
3D
X
PR5
X
X
SR13
SR13
X
..
X
X
F5
T5
D12
SE2
X
X
X
X
X
X
LLV4 LLV3 LLV2 LLV1 LLV0 X
LCV4 LCV3 LCV2 LCV1 LCV0 X
LVV4 LVV3 LVV2 LVV1 LVV0 X
LAV4 LAV3 LAV2 LAV1 LAV0 X
LOV4 LOV3 LOV2 LOV1 LOV0 X
X
X
X
X
X
PR4
X
X
SR12
SR12
X
..
X
X
DAM DMS
F4
T4
SE1
SR11
SR11
D11
X
X
X
X
X
X
X
LIM3 LIM2 LIM1 LIM0 X
X
X
X
PR3
X
X
X
..
X
X
F3
T3
Indexed Control Registers
D10
SE0
X
X
X
X
X
X
LS2
X
X
X
PR2
X
X
SR10
SR10
X
..
X
X
DLSR X
F2
T2
D9
ID9
X
X
X
X
X
X
LS1
X
MIX
X
PR1
X
X
SR9
SR9
X
..
X
X
F1
T1
D8
ID8
X
X
X
X
X
X
LS0
X
MS
X
PR0
X
X
SR8
SR8
X
..
X
X
ALSR MOD SRX
F0
T0
D7
ID7
X
X
X
X
X
X
X
X
LPBK X
X
X
X
X
SR7
SR7
X
..
X
X
EN
S7
REV7 REV6 REV5 REV4 REV3 REV2 REV1 REV0
D6
ID6
X
X
X
X
X
X
M20
X
X
X
X
X
X
X
X
X
X
X
X
SR6
SR6
X
..
X
X
10D7
S6
D5
ID5
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
SR5
SR5
X
..
X
X
SRX
8D7
S5
RMV5 RMV4 RMV3 RMV2 RMV1 RMV0 8000h
D4
ID4
X
MMV MMV MMV MMV MMV
4
X
PCV3 PCV2 PCV1 PCV0 X
PHV4 PHV3 PHV2 PHV1 PHV0
MCV4 MCV3 MCV2 MCV1 MCV0 8008h
RLV4 RLV3 RLV2 RLV1 RLV0
RCV4 RCV3 RCV2 RCV1 RCV0
RVV4 RVV3 RVV2 RVV1 RVV0
RAV4 RAV3 RAV2 RAV1 RAV0
ROV4 ROV3 ROV2 ROV1 ROV0
X
X
X
X
X
X
X
X
SR4
SR4
X
..
X
X
X
S4
D3
ID3
X
2
X
X
RIM3 RIM2 RIM1 RIM0
X
X
DP3
REF
X
X
SR3
SR3
X
..
X
X
X
S3
D2
ID2
X
2
X
RS2
X
X
DP2
ANL
X
X
SR2
SR2
X
..
X
X
DRSR X
S2
D1
ID1
X
1
X
RS1
X
X
DP1
DAC
X
X
SR1
SR1
X
..
X
X
S1
AD1881A
D0
ID0
X
0
X
RS0
X
X
DP0
ADC
VRA
VRA
SR0
SR0
X
..
X
X
ARSR
S0
Default
0410h
X
8000h
X
8000h
8808h
8808h
8808h
0000h
X
0000h
0000h
000Xh
0001h
0000h
BB80h
X
..
X
7X0Xh
5348h
8008h
8808h
8808h
8000h
BB80h
0404h
4144h