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AD1885 Datasheet(PDF) 15 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) 15 Page - Analog Devices

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AD1885
–15–
REV. 0
Video Volume (Index 14h)
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
4
1h
4
1 h
4
1 h
4
1h
4
1e
m
u
l
o
V
o
e
d
i
Ve
m
u
l
o
V
o
e
d
i
V
e
m
u
l
o
V
o
e
d
i
V
e
m
u
l
o
V
o
e
d
i
Ve
m
u
l
o
V
o
e
d
i
VM
VM
VM
VM
VM
VX
X
X
X
XX
X
X
X
X4
V
V
L4
V
V
L
4
V
V
L
4
V
V
L4
V
V
L3
V
V
L3
V
V
L
3
V
V
L
3
V
V
L3
V
V
L2
V
V
L2
V
V
L
2
V
V
L
2
V
V
L2
V
V
L1
V
V
L1
V
V
L
1
V
V
L
1
V
V
L1
V
V
L0
V
V
L0
V
V
L
0
V
V
L
0
V
V
L0
V
V
LX
X
X
X
XX
X
X
X
XX
X
X
X
X4
V
V
R4
V
V
R
4
V
V
R
4
V
V
R4
V
V
R3
V
V
R3
V
V
R
3
V
V
R
3
V
V
R3
V
V
R2
V
V
R2
V
V
R
2
V
V
R
2
V
V
R2
V
V
R1
V
V
R1
V
V
R
1
V
V
R
1
V
V
R1
V
V
R0
V
V
R0
V
V
R
0
V
V
R
0
V
V
R0
V
V
Rh
8
0
8
8h
8
0
8
8
h
8
0
8
8
h
8
0
8
8h
8
0
8
8
RVV[4:0]
Right Video Volume. Allows setting the Video right channel attenuator in 32 steps. The LSB represents 1.5 dB,
and the range is +12 dB to –34.5 dB. The default value is 0 dB, mute enabled.
LVV[4:0]
Left Video Volume. Allows setting the Video left channel attenuator in 32 steps. The LSB represents 1.5 dB, and
the range is +12 dB to –34.5 dB. The default value is 0 dB, mute enabled.
VM
Video Mute. When this bit is set to “1,” the channel is muted.
AUX Volume (Index 16h)
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
6
1h
6
1 h
6
1 h
6
1h
6
1e
m
u
l
o
V
x
u
Ae
m
u
l
o
V
x
u
A
e
m
u
l
o
V
x
u
A
e
m
u
l
o
V
x
u
Ae
m
u
l
o
V
x
u
AM
AM
AM
AM
AM
AX
X
X
X
XX
X
X
X
X4
V
A
L4
V
A
L
4
V
A
L
4
V
A
L4
V
A
L3
V
A
L3
V
A
L
3
V
A
L
3
V
A
L3
V
A
L2
V
A
L2
V
A
L
2
V
A
L
2
V
A
L2
V
A
L1
V
A
L1
V
A
L
1
V
A
L
1
V
A
L1
V
A
L0
V
A
L0
V
A
L
0
V
A
L
0
V
A
L0
V
A
LX
X
X
X
XX
X
X
X
XX
X
X
X
X4
V
A
R4
V
A
R
4
V
A
R
4
V
A
R4
V
A
R3
V
A
R3
V
A
R
3
V
A
R
3
V
A
R3
V
A
R2
V
A
R2
V
A
R
2
V
A
R
2
V
A
R2
V
A
R1
V
A
R1
V
A
R
1
V
A
R
1
V
A
R1
V
A
R0
V
A
R0
V
A
R
0
V
A
R
0
V
A
R0
V
A
Rh
8
0
8
8h
8
0
8
8
h
8
0
8
8
h
8
0
8
8h
8
0
8
8
RAV[4:0]
Right Aux Volume. Allows setting the Aux right channel attenuator in 32 steps. The LSB represents 1.5 dB, and
the range is +12 dB to –34.5 dB. The default value is 0 dB, mute enabled.
LAV[4:0]
Left Aux Volume. Allows setting the Aux left channel attenuator in 32 steps. The LSB represents 1.5 dB, and the
range is +12 dB to –34.5 dB. The default value is 0 dB, mute enabled.
AM
Aux Mute. When this bit is set to “1,” the channel is muted.
PCM Out Volume (Index 18h)
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
8
1h
8
1 h
8
1 h
8
1h
8
1
t
u
O
M
C
Pt
u
O
M
C
P
t
u
O
M
C
P
t
u
O
M
C
Pt
u
O
M
C
P
e
m
u
l
o
Ve
m
u
l
o
V
e
m
u
l
o
V
e
m
u
l
o
Ve
m
u
l
o
V
M
OM
OM
OM
OM
OX
X
X
X
XX
X
X
X
X4
V
O
L4
V
O
L
4
V
O
L
4
V
O
L4
V
O
L3
V
O
L3
V
O
L
3
V
O
L
3
V
O
L3
V
O
L2
V
O
L2
V
O
L
2
V
O
L
2
V
O
L2
V
O
L1
V
O
L1
V
O
L
1
V
O
L
1
V
O
L1
V
O
L0
V
O
L0
V
O
L
0
V
O
L
0
V
O
L0
V
O
LX
X
X
X
XX
X
X
X
XX
X
X
X
X4
V
O
R4
V
O
R
4
V
O
R
4
V
O
R4
V
O
R3
V
O
R3
V
O
R
3
V
O
R
3
V
O
R3
V
O
R2
V
O
R2
V
O
R
2
V
O
R
2
V
O
R2
V
O
R1
V
O
R1
V
O
R
1
V
O
R
1
V
O
R1
V
O
R0
V
O
R0
V
O
R
0
V
O
R
0
V
O
R0
V
O
Rh
8
0
8
8h
8
0
8
8
h
8
0
8
8
h
8
0
8
8h
8
0
8
8
ROV[4:0]
Right PCM Out Volume. Allows setting the PCM right channel attenuator in 32 steps. The LSB represents 1.5 dB,
and the range is +12 dB to –34.5 dB. The default value is 0 dB, mute enabled.
LOV[4:0]
Left PCM Out Volume. Allows setting the PCM left channel attenuator in 32 steps. The LSB represents 1.5 dB,
and the range is +12 dB to –34.5 dB. The default value is 0 dB, mute enabled.
OM
PCM Out Volume Mute. When this bit is set to “1,” the channel is muted.
Volume Table
xM
x4 . . . x0
Function
0
00000
+12 dB Gain
0
01000
0 dB Gain
0
11111
–34.5 dB Gain
1
xxxxx
–
∞ dB Gain



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