AD1886 Analog Devices, AD1886 Datasheet - Page 13

• Manufacturer Part Number: AD1886
• Description: AC97 SoundMAX Codec
• Manufacturer: Analog Devices

Headphones Volume Registers (Index 04h)
RHV[5:0]
LHV[5:0]
HPM
Master Volume Mono (Index 06h)
MMV[5:0]
MMM
PC Beep Register (Index 0Ah)
PCV[3:0]
PCM
R g
R g
R g
R g
R
N m
N m
N m
N m
N
4 0 h
4 0 h
4 0 h
4 0 h
4 0
R g
R g
R g
N m
N m
N m
6 0 h
6 0 h
6 0 h
R g
R
N m
N
6 0 h
6 0
R g
R g
R g
R g
R
N m
N m
N m
N m
N
0 h
0 h
0 h
0 h
0
e
e
e
e
e
u
u
u
u
u
A
A
A
e
e
e
e
e
u
u
u
u
u
A
A
h
e
e
e
h
e
e
u
u
u
u
u
g
m
g
m
g
h
m
N
N
N
N
N
H
H
H
H
H
N
N
N
N
N
M
M
M
M
M
M
M
M
M
M
N
N
N
N
N
P
P
P
P
P
a
a
a
a
a
e
e
e
e
e
a
a
a
a
a
C
C
C
a
a
a
a
a
o
o
o
o
o
a
a
a
a
a
C
C
m
m
m
m
m
a
a
a
a
a
m
m
m
m
m
t s
t s
t s
t s
t s
n
n
n
n
n
m
m
m
m
m
d
d
d
d
d
_
_
_
_
_
e
e
e
e
e
o
o
o
o
o
B
B
B
B
B
e
e
e
e
e
p
p
p
p
p
r e
r e
r e
r e
r e
e
e
e
e
e
h
h
h
h
h
E
E
E
E
E
o
o
o
o
o
V
V
V
V
V
E
E
E
E
E
n
n
n
n
n
o
o
o
o
o
P
P
P
P
P
e
e
e
e
e
u l
u l
u l
u l
u l
V
V
V
V
V
V
V
V
V
V
Right Headphone Volume Control. The least significant bit represents 1.5 dB. This register controls the output
from +6 dB to a maximum attenuation of –88.5 dB.
Left Headphone Volume Control. The least significant bit represents 1.5 dB. This register controls the output
from +6 dB to a maximum attenuation of –88.5 dB.
Headphones Volume Mute. When this bit is set to “1,” the channel is muted.
Mono Master Volume Control. The least significant bit represents 1.5 dB. This register controls the output from
0 dB to a maximum attenuation of –94.5 dB.
Mono Master Volume Mute. When this bit is set to “1,” the channel is muted.
PC Beep Volume Control. The least significant bit represents 3 dB attenuation. This register controls the output
from 0 dB to a maximum attenuation of –45 dB. The PC Beep is routed to Left and Right Line outputs even when
AD1886A is in a RESET State. This is so Power-On Self-Test (POST) codes can be heard by the user in case of a
hardware problem with the PC.
PC Beep Mute. When this bit is set to “1,” the channel is muted.
m
m
m
m
m
o
o
o
o
o
o
o
o
o
o
u l
u l
u l
u l
u l
u l
u l
u l
u l
u l
e
e
e
e
e
m
m
m
m
m
m
m
m
m
m
D 5 1
D 5 1
D 5 1
D 5 1
D
M M
M M
M M
M M
M
e
e
e
e
e
e
e
e
e
e
5 1
M
M
M
M
M
M
D 5 1
D 5 1
D 5 1
D 5 1
D
P M
P M
P M
P M
P
D 5 1
D 5 1
D 5 1
D 5 1
D
H M
H M
H M
H M
H
C
C
C
C
C
5 1
P
P
P
5 1
P
P
D 4 1
D 4 1
D 4 1
X X X X X
D 4 1
D
M
M
4 1
D 4 1
D 4 1
D 4 1
D 4 1
D
X X X X X
D 4 1
D 4 1
D 4 1
D 4 1
D
X X X X X
4 1
D 3 1
D 3 1
D 3 1
X X X X X
D 3 1
D
4 1
3 1
D 3 1
D 3 1
D 3 1
D 3 1
D
L
L
L
L
L
H
H
H
H
H
HPM
0
0
0
1
PCM
0
0
1
3 1
D 3 1
D 3 1
D 3 1
X X X X X
D 3 1
D
D 2 1
D 2 1
D 2 1
D 2 1
D
X X X X X
V
V
V
V
V
3 1
2 1
5
5
5
5
5
D 2 1
D 2 1
D 2 1
L
L
L
D 2 1
D
L
L
H
H
H
H
H
2 1
D 1 1
D 1 1
D 1 1
D 1 1
D
X X X X X
D 2 1
D 2 1
D 2 1
D 2 1
D
X X X X X
V
V
V
V
V
1 1
2 1
4
4
4
4
4
xHV5 . . . xHV0
00 0000
01 1111
11 1111
xx xxxx
D 1 1
D 1 1
D 1 1
L
L
L
PCV3 . . . PCV0
0000
1111
xxxx
D 1 1
D
L
L
D 0 1
D 0 1
D 0 1
D 0 1
D
X X X X X
H
H
H
H
H
1 1
D 1 1
D 1 1
D 1 1
D 1 1
D
X X X X X
V
V
V
V
V
0 1
1 1
3
3
3
3
3
D 0 1
D 0 1
D 0 1
D 0 1
D
L
L
L
L
L
D9
D9
D9
D9
D
X X X X X
H
H
H
H
H
0 1
D 0 1
D 0 1
D 0 1
D 0 1
D
X X X X X
9
V
V
V
V
V
0 1
2
2
2
2
2
D8
D8
D8
D8
D
X X X X X
D9
D9
D9
D9
D
L
L
L
L
L
H
H
H
H
H
8
9
D9
D9
D9
D
D9
X X X X X
V
V
V
V
V
9
1
1
1
1
1
D7
D7
D7
D7
D
X X X X X
D8
D8
D8
D8
D
L
L
L
L
L
7
D8
D8
D8
D
D8
X X X X X
H
H
H
H
H
Function
6 dB Gain
–40.5 dB Attenuation
–88.5 dB Attenuation
–∞ dB Attenuation
8
8
V
V
V
V
V
D6
D6
D6
D6
D
0
0
0
0
0
Function
0 dB Attenuation
45 dB Attenuation
∞ dB Attenuation
X X X X X
6
D7
D7
D7
D7
D
D7
D7
D7
D
D7
X X X X X
X X X X X
7
7
D5
D5
D5
D5
D
M
M
M
M
M
D6
D6
D6
D6
D
5
M
M
M
M
M
X X X X X
D6
D6
D6
D6
D
6
X X X X X
V
V
V
V
V
6
5
5
5
5
5
D5
D5
D5
D5
D
R
R
R
R
R
H
H
H
H
H
5
D4
D4
D4
D4
D
M
M
M
M
M
D5
D5
D5
X X X X X
D5
D
V
V
V
V
V
4
M
M
M
5
M
M
5
5
5
5
5
V
V
V
V
V
D4
D4
D4
D4
D
R
R
R
R
R
4
4
4
4
4
D4
D4
D4
P
P
P
D4
D
P
P
H
H
H
H
H
4
C
C
C
C
C
4
V
V
V
V
V
D3
D3
D3
D3
D
M
M
M
M
M
V
V
V
V
V
4
4
4
4
4
3
M
M
M
M
M
3
3
3
3
3
D3
D3
D3
R
R
R
D3
D
R
R
V
V
V
V
V
D3
D3
D3
D
D3
P
P
P
P
P
H
H
H
H
H
3
3
3
3
3
3
C
C
C
C
C
V
V
V
V
V
3
V
V
V
D2
D2
D2
D2
D
M
M
M
M
M
V
V
3
3
3
3
3
2
2
2
2
2
2
M
M
M
M
M
D2
D2
D2
D2
D
R
R
R
R
R
H
H
H
H
H
2
V
V
V
V
V
D2
D2
D2
D
D2
P
P
P
P
P
V
V
V
V
V
2
2
2
2
2
C
C
C
C
C
2
2
2
2
2
2
V
V
V
V
V
D1
D1
D1
D1
D
M
M
M
M
M
1
1
1
1
1
D1
D1
D1
D1
D
R
R
R
R
R
1
M
M
M
M
M
H
H
H
H
H
1
D1
D1
D1
D
D1
P
P
P
P
P
V
V
V
V
V
V
V
V
V
V
C
C
C
C
C
AD1886A
1
1
1
1
1
1
1
1
1
1
1
V
V
V
V
V
D0
D0
D0
D0
D
R
R
R
R
R
0
0
0
0
0
D0
D0
D0
D0
D
M
M
M
M
M
H
H
H
H
H
0
0
M
M
M
M
M
V
V
V
V
V
D0
D0
D0
D
D0
X X X X X
0
0
0
0
0
V
V
V
V
V
0
0
0
0
0
0
D
D
D
0 8 h
0 8 h
0 8
D
D
0 8 h
0 8
e
e
e
e
e
0 0
0 0
0 0
0 0
0 0
D
D
D
D
D
0 8 h
0 8 h
0 8 h
0 8
0 8
D
D
D
D
D
0 8 h
0 8 h
0 8 h
0 8
0 8
a f
a f
a f
a f
a f
e
e
e
e
e
e
e
e
h
h
0 0
0 0
0 0
e
e
0 0
0 0
0 0
0 0
0 0
0 0
0 0
u
u
u
u
u
a f
a f
a f
a f
a f
a f
a f
a f
a f
a f
t l
t l
t l
t l
t l
h
h
h
h
u
u
u
u
u
u
u
u
u
u
t l
t l
t l
t l
t l
t l
t l
t l
t l
t l