AD1887 Analog Devices, AD1887 Datasheet - Page 8

• Manufacturer Part Number: AD1887
• Description: AC97 SoundMAX Codec
• Manufacturer: Analog Devices

AD1887
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.
No Connects
Pin Name
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
Reg
Num
00h
04h
08h
00Eh
10h
12h
18h
1Ah
1Ch
20h
26h
28h
2Ah
2Ch/
(7Ah)
32h/
(78h)
74h
76h
7Ch
7Eh
Indicates Aliased register for AD1819, AD1819A backward compatibility.
Name
Reset
Headphones Volume
Reserved
Mic Volume
Line-In Volume
CD Volume
PCM Out Vol
Record Select
Record Gain
General-Purpose
Power-Down Ctrl/Stat
Ext’d Audio ID
Ext’d Audio Stat/Ctrl
PCM DAC Rate (SR1) SR15
PCM ADC Rate (SR0) SR15
Serial Configuration
Misc Control Bits
Vendor ID1
Vendor ID2
TQFP
12
13
14
15
16
17
22
33
34
35
36
37
42
47
48
D15
X
HPM
X
MCM
LM
CVM
OM
X
IM
X
X
ID1
X
SLOT16 REGM2 REGM1 REGM0 X
DACZ
F7
T7
D14
SE4
X
X
X
X
X
X
X
X
X
X
ID0
X
SR14
SR14
LPMIX X
F6
T6
Type
D13
SE3
LHV5
X
X
X
X
X
X
X
X
PR5
X
X
SR13
SR13
F5
T5
SE2
X
X
LLV4
LCV4
X
X
X
X
F4
T4
D12
LHV4
LOV4
X
PR4
SR12
SR12
DAM
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
F3
D11
SE1
LHV3
X
X
LLV3
LCV3
LOV3
X
LIM3
X
PR3
X
X
SR11
SR11
DMS
T3
Indexed Control Registers
D10
SE0
LHV2
X
X
LLV2
LCV2
LOV2
LS2
LIM2
X
PR2
X
X
SR10
SR10
X
DLSR X
F2
T2
D9
ID9
LHV1
X
X
LLV1
LCV1
LOV1
LS1
LIM1
X
PR1
X
X
SR9
SR9
X
F1
T1
D8
ID8
LHV0
X
X
LLV0
LCV0
LOV0
LS0
LIM0
X
PR0
X
X
SR8
SR8
X
ALSR
F0
T0
S7
D7
ID7
X
X
X
X
X
X
X
X
LPBK X
X
X
X
SR7
SR7
X
MOD SRX10 SRX8
EN
REV7 REV6
S6
D6
ID6
X
X
M30
X
X
X
X
X
X
X
X
SR6
SR6
X
D7
D5
ID5
RHV5 RHV4
X
X
X
X
X
X
X
X
X
X
X
SR5
SR5
X
D7
S5
REV5
D4
ID4
X
MCV4
RLV4
RCV4
ROV4
X
X
X
X
X
X
SR4
SR4
X
X
S4
REV4
D3
ID3
RHV3
X
MCV3
RLV3
RCV3
ROV3
X
RIM3
X
REF
X
X
SR3
SR3
X
X
S3
REV3
D2
ID2
RHV2
X
MCV2 MCV1 MCV0 8008h
RLV2
RCV2
ROV2
RS2
RIM2
X
ANL
X
X
SR2
SR2
X
DRSR
S2
REV2
D1
ID1
RHV1 RHV0
X
RLV1 RLV0
RCV1 RCV0
ROV1 ROV0
RS1
RIM1 RIM0
X
DAC
X
X
SR1
SR1
X
X
S1
REV1 REV0
D0
ID0
X
RS0
X
ADC
VRA
VRA
SR0
SR0
X
ARSR
S0
Default
0010h
8000h
X
8808h
8808h
8808h
0000h
8000h
0000h
000Xh
0005h
0000h
BB80h
BB80h
7000h
0404h
4144h
5362h