AD1886 Analog Devices, AD1886 Datasheet - Page 17

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

General-Purpose Register (Index 20h)
Note: This register should be read before writing to generate a mask for only the bit(s) that need to be changed. The function default
value is 0000h, which is all off.
LPBK
MS
MIX
3D
POP
3D Control Register (Index 22h)
DP[3:0]
R g
R g
R g
R g
R
N m
N m
N m
N m
N
2 2 h
2 2 h
2 2 h
2 2 h
2 2
R g
R g
R g
N m
N m
N m
0 2 h
0 2 h
0 2 h
R g
R
N m
N
0 2 h
0 2
e
e
e
e
e
u
u
u
u
u
e
e
e
e
e
u
u
u
u
u
h
h
g
g
m
m
N
N
N
3
3
3
N
N
3
3
N
N
N
N
N
G
G
G
G
G
D
D
D
D
D
a
a
a
a
a
a
a
a
a
a
e
e
e
e
e
m
m
m
m
m
m
m
m
m
m
n
n
n
n
n
C
C
C
C
C
e
e
e
e
e
e
e
e
e
e
e
e
e
e
e
o
o
o
o
o
a r
a r
a r
a r
a r
n
n
n
n
n
- l
- l
- l
- l
- l
r t
r t
r t
r t
r t
P
P
P
P
P
l o
l o
l o
l o
l o
u
u
u
u
u
Depth Control. Sets 3D “Depth” Phat Stereo enhancement according to table below.
r
r
r
r
r
PCM Output Path and Mute. The POP bit controls the optional PCM out 3D bypass path (the pre and post 3D
Loopback Control. ADC/DAC digital loopback mode.
Mic Select
0 = Mic1
1 = Mic2
Mono Output Select
0 = Mix
1 = Mic
3D Phat Stereo Enhancement
0 = Phat Stereo is off.
1 = Phat Stereo is on.
PCM out paths are mutually exclusive).
0 = pre 3D
1 = post 3D
p
p
p
p
p
o
o
o
o
o
e s
e s
e s
e s
e s
D 5 1
D 5 1
D 5 1
X X X X X
D 5 1
D
D 5 1
D 5 1
D 5 1
P P
P P
P P
D 5 1
D
P P
P
5 1
O
O
O
O
O
5 1
P
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
4 1
D 3 1
D 3 1
D 3 1
D 3 1
D
X X X X X
D 3 1
D 3 1
D 3 1
D 3 1
D
3D
3D
3D
3D
3
3 1
D
3 1
D 2 1
D 2 1
D 2 1
X X X X X
D 2 1
D
D 2 1
D 2 1
D 2 1
X X X X X
D 2 1
D
2 1
2 1
D 1 1
D 1 1
D 1 1
D 1 1
D
X X X X X
D 1 1
D 1 1
D 1 1
D 1 1
D
X X X X X
1 1
1 1
DP3 . . . DP0
0
1
•
•
14
15
D 0 1
D 0 1
D 0 1
D 0 1
D
X X X X X
D 0 1
D 0 1
D 0 1
D 0 1
D
X X X X X
0 1
0 1
D9
D9
D9
D
D9
X X X X X
D9
D9
D9
M X
M X
M X
D9
D
M X
M
9
9
I
I
I
I
I
X
D8
D8
D8
D
D8
X X X X X
D8
D8
D8
D
D8
MS
MS
MS
MS
M
8
8
S
Depth
0%
6.67%
•
•
93.33%
100%
D7
D7
D7
D
D7
X X X X X
D7
D7
D7
D
D7
L
L
L
L
L
7
P
P
P
P
P
7
B
B
B
B
B
K
K
K
K
K
D6
D6
D6
D
D6
X X X X X
6
D6
D6
D6
D
D6
X X X X X
6
D5
D5
D5
D
D5
X X X X X
5
D5
D5
D5
X X X X X
D5
D
5
D4
D4
D4
X X X X X
D4
D
4
D4
D4
D4
D
D4
X X X X X
4
D3
D3
D3
D
D3
D 3
D 3
D 3
D 3
D
3
P
P
P
P
P
D3
D3
D3
D
D3
X X X X X
3
3
D2
D2
D2
D
D2
D 2
D 2
D 2
D 2
D
P
P
P
2
P
P
D2
D2
D2
D
D2
X X X X X
2
2
D1
D1
D1
D
D1
D 1
D 1
D 1
D 1
D
1
P
P
P
P
P
D1
D1
D1
D
D1
X X X X X
1
AD1886A
1
D0
D0
D0
D
D0
D 0
D 0
D 0
D 0
D
0
P
P
P
P
P
D0
D0
D0
X X X X X
D0
D
0
0
D
D
D
0 0 h
0 0 h
0 0
D
D
0 0 h
0 0
e
e
e
e
e
0 0
0 0
0 0
0 0
0 0
D
D
D
X X X X X
D
D
a f
a f
a f
a f
a f
e
e
e
e
e
h
h
u
u
u
u
u
a f
a f
a f
a f
a f
t l
t l
t l
t l
t l
u
u
u
u
u
t l
t l
t l
t l
t l