Analog Devices AD1887 Manual page 8

Ac’97 soundmax codec
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AD1887
No Connects
Pin Name
TQFP
NC
12
NC
13
NC
14
NC
15
NC
16
NC
17
NC
22
NC
33
NC
34
NC
35
NC
36
NC
37
NC
42
NC
47
NC
48
Reg
Num
Name
D15
00h
Reset
X
04h
Headphones Volume
HPM
08h
Reserved
X
00Eh
Mic Volume
MCM
10h
Line-In Volume
LM
12h
CD Volume
CVM
18h
PCM Out Vol
OM
1Ah
Record Select
X
1Ch
Record Gain
IM
20h
General-Purpose
X
26h
Power-Down Ctrl/Stat
X
28h
Ext'd Audio ID
ID1
2Ah
Ext'd Audio Stat/Ctrl
X
2Ch/
PCM DAC Rate (SR1) SR15
(7Ah)*
32h/
PCM ADC Rate (SR0) SR15
(78h)*
74h
Serial Configuration
SLOT16 REGM2 REGM1 REGM0 X
76h
Misc Control Bits
DACZ
7Ch
Vendor ID1
F7
7Eh
Vendor ID2
T7
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.
Type
Description
No Connect
No Connect
No Connect
No Connect
No Connect
No Connect
No Connect
No Connect
No Connect
No Connect
No Connect
No Connect
No Connect
No Connect
No Connect
Indexed Control Registers
D14
D13
D12
D11
D10
SE4
SE3
SE2
SE1
SE0
X
LHV5
LHV4
LHV3
LHV2
X
X
X
X
X
X
X
X
X
X
X
X
LLV4
LLV3
LLV2
X
X
LCV4
LCV3
LCV2
X
X
LOV4
LOV3
LOV2
X
X
X
X
LS2
X
X
X
LIM3
LIM2
X
X
X
X
X
X
PR5
PR4
PR3
PR2
ID0
X
X
X
X
X
X
X
X
X
SR14
SR13
SR12
SR11
SR10
SR14
SR13
SR12
SR11
SR10
X
LPMIX X
DAM
DMS
DLSR X
F6
F5
F4
F3
F2
T6
T5
T4
T3
T2
D9
D8
D7
D6
D5
ID9
ID8
ID7
ID6
ID5
LHV1
LHV0
X
X
RHV5 RHV4
X
X
X
X
X
X
X
X
M30
X
LLV1
LLV0
X
X
X
LCV1
LCV0
X
X
X
LOV1
LOV0
X
X
X
LS1
LS0
X
X
X
LIM1
LIM0
X
X
X
X
X
LPBK X
X
PR1
PR0
X
X
X
X
X
X
X
X
X
X
X
X
X
SR9
SR8
SR7
SR6
SR5
SR9
SR8
SR7
SR6
SR5
X
X
X
X
X
ALSR
MOD SRX10 SRX8
EN
D7
D7
F1
F0
S7
S6
S5
T1
T0
REV7 REV6
REV5
–8–
D4
D3
D2
D1
D0
ID4
ID3
ID2
ID1
ID0
RHV3
RHV2
RHV1 RHV0
X
X
X
X
X
MCV4
MCV3
MCV2 MCV1 MCV0 8008h
RLV4
RLV3
RLV2
RLV1 RLV0
RCV4
RCV3
RCV2
RCV1 RCV0
ROV4
ROV3
ROV2
ROV1 ROV0
X
X
RS2
RS1
RS0
X
RIM3
RIM2
RIM1 RIM0
X
X
X
X
X
X
REF
ANL
DAC
ADC
X
X
X
X
VRA
X
X
X
X
VRA
SR4
SR3
SR2
SR1
SR0
SR4
SR3
SR2
SR1
SR0
X
X
X
X
X
X
X
DRSR
X
ARSR
S4
S3
S2
S1
S0
REV4
REV3
REV2
REV1 REV0
Default
0010h
8000h
X
8808h
8808h
8808h
0000h
8000h
0000h
000Xh
0005h
0000h
BB80h
BB80h
7000h
0404h
4144h
5362h
REV. 0

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