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AD1885 Datasheet(PDF) 17 Page - Analog Devices

Part # AD1885
Description  AC??7 SoundMAX Codec
PDF  27 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

AD1885 Datasheet(HTML) 17 Page - Analog Devices

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AD1885
–17–
REV. 0
General-Purpose Register (Index 20h)
g
e
Rg
e
R g
e
R g
e
Rg
e
R
m
u
Nm
u
N m
u
N m
u
Nm
u
N
e
m
a
Ne
m
a
N
e
m
a
N
e
m
a
Ne
m
a
N5
1
D5
1
D 5
1
D 5
1
D5
1
D4
1
D4
1
D 4
1
D 4
1
D4
1
D3
1
D3
1
D 3
1
D 3
1
D3
1
D2
1
D2
1
D 2
1
D 2
1
D2
1
D1
1
D1
1
D 1
1
D 1
1
D1
1
D0
1
D0
1
D 0
1
D 0
1
D0
1
D9
D9
D9
D9
D9
D8
D8
D8
D8
D8
D7
D7
D7
D7
D7
D6
D6
D6
D6
D6
D5
D5
D5
D5
D5
D4
D4
D4
D4
D4
D3
D3
D3
D3
D3
D2
D2
D2
D2
D2
D1
D1
D1
D1
D1
D0
D0
D0
D0
D0
Dt
l
u
a
f
e
Dt
l
u
a
f
e
D
t
l
u
a
f
e
D
t
l
u
a
f
e
Dt
l
u
a
f
e
D
h
0
2h
0
2 h
0
2 h
0
2h
0
2e
s
o
p
r
u
P
-
l
a
r
e
n
e
Ge
s
o
p
r
u
P
-
l
a
r
e
n
e
G
e
s
o
p
r
u
P
-
l
a
r
e
n
e
G
e
s
o
p
r
u
P
-
l
a
r
e
n
e
Ge
s
o
p
r
u
P
-
l
a
r
e
n
e
GP
O
PP
O
P P
O
P P
O
PP
O
PX
X
X
X
XD
3D
3D
3D
3D
3X
X
X
X
XX
X
X
X
XX
X
X
X
XX
I
MX
I
M X
I
M X
I
MX
I
MS
MS
MS
MS
MS
MK
B
P
LK
B
P
L
K
B
P
L
K
B
P
LK
B
P
LX
X
X
X
XX
X
X
X
XX
X
X
X
XX
X
X
X
XX
X
X
X
XX
X
X
X
XX
X
X
X
Xh
0
0
0
0h
0
0
0
0
h
0
0
0
0
h
0
0
0
0h
0
0
0
0
Note: This register should be read before writing to generate a mask for only the bit(s) that need to be changed.
LPBK
Loopback Control. ADC/DAC Digital Loopback Mode
MS
MIC Select
0 = MIC1
1 = MIC2.
MIX
Mono Output Select
0 = Mix
1 = MIC.
3D
3D PHAT Stereo Enhancement
0 = PHAT Stereo is off.
1 = PHAT Stereo is on.
POP
PCM Output Path and Mute. The POP bit controls the optional PCM out 3D bypass path (the pre- and post-3D
PCM out paths are mutually exclusive).
0 = pre-3D
1 = post-3D.
3D Control Register (Index 22h)
g
e
Rg
e
R g
e
R g
e
Rg
e
R
m
u
Nm
u
N m
u
N m
u
Nm
u
N
e
m
a
Ne
m
a
N
e
m
a
N
e
m
a
Ne
m
a
N5
1
D5
1
D 5
1
D 5
1
D5
1
D4
1
D4
1
D 4
1
D 4
1
D4
1
D3
1
D3
1
D 3
1
D 3
1
D3
1
D2
1
D2
1
D 2
1
D 2
1
D2
1
D1
1
D1
1
D 1
1
D 1
1
D1
1
D0
1
D0
1
D 0
1
D 0
1
D0
1
D9
D9
D9
D9
D9
D8
D8
D8
D8
D8
D7
D7
D7
D7
D7
D6
D6
D6
D6
D6
D5
D5
D5
D5
D5
D4
D4
D4
D4
D4
D3
D3
D3
D3
D3
D2
D2
D2
D2
D2
D1
D1
D1
D1
D1
D0
D0
D0
D0
D0
Dt
l
u
a
f
e
Dt
l
u
a
f
e
D
t
l
u
a
f
e
D
t
l
u
a
f
e
Dt
l
u
a
f
e
D
h
2
2h
2
2 h
2
2 h
2
2h
2
2l
o
r
t
n
o
C
D
3l
o
r
t
n
o
C
D
3
l
o
r
t
n
o
C
D
3
l
o
r
t
n
o
C
D
3l
o
r
t
n
o
C
D
3X
X
X
X
XX
X
X
X
XX
X
X
X
XX
X
X
X
XX
X
X
X
XX
X
X
X
XX
X
X
X
XX
X
X
X
XX
X
X
X
XX
X
X
X
XX
X
X
X
XX
X
X
X
X3
P
D3
P
D 3
P
D 3
P
D3
P
D2
P
D2
P
D 2
P
D 2
P
D2
P
D1
P
D1
P
D 1
P
D 1
P
D1
P
D0
P
D0
P
D 0
P
D 0
P
D0
P
Dh
0
0
0
0h
0
0
0
0
h
0
0
0
0
h
0
0
0
0h
0
0
0
0
DP[2:0]
Depth Control. Sets 3D “Depth” PHAT Stereo enhancement according to table below.
DP3 . . . DP0
Depth
0000
0%
0001
6.67%
..
..
14
93.33%
15
100%



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