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AD1885 Datasheet(PDF) 14 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) 14 Page - Analog Devices

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AD1885
–14–
REV. 0
Phone Volume (Index 0Ch)
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
C
0h
C
0 h
C
0 h
C
0h
C
0e
m
u
l
o
V
e
n
o
h
Pe
m
u
l
o
V
e
n
o
h
P
e
m
u
l
o
V
e
n
o
h
P
e
m
u
l
o
V
e
n
o
h
Pe
m
u
l
o
V
e
n
o
h
PM
H
PM
H
P M
H
P M
H
PM
H
PX
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
X4
V
H
P4
V
H
P
4
V
H
P
4
V
H
P4
V
H
P3
V
H
P3
V
H
P
3
V
H
P
3
V
H
P3
V
H
P2
V
H
P2
V
H
P
2
V
H
P
2
V
H
P2
V
H
P1
V
H
P1
V
H
P
1
V
H
P
1
V
H
P1
V
H
P0
V
H
P0
V
H
P
0
V
H
P
0
V
H
P0
V
H
Ph
8
0
0
8h
8
0
0
8
h
8
0
0
8
h
8
0
0
8h
8
0
0
8
PHV[4:0]
Phone Volume. Allows setting the Phone Volume 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.
PHM
Phone Mute. When this bit is set to “1,” the channel is muted.
MIC Volume (Index 0Eh)
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
E
0h
E
0 h
E
0 h
E
0h
E
0
C
I
MC
I
M C
I
M C
I
MC
I
M
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
C
MM
C
M M
C
M M
C
MM
C
MX
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
X0
2
M0
2
M 0
2
M 0
2
M0
2
MX
X
X
X
X4
V
C
M4
V
C
M
4
V
C
M
4
V
C
M4
V
C
M3
V
C
M3
V
C
M
3
V
C
M
3
V
C
M3
V
C
M2
V
C
M2
V
C
M
2
V
C
M
2
V
C
M2
V
C
M1
V
C
M1
V
C
M
1
V
C
M
1
V
C
M1
V
C
M0
V
C
M0
V
C
M
0
V
C
M
0
V
C
M0
V
C
Mh
8
0
0
8h
8
0
0
8
h
8
0
0
8
h
8
0
0
8h
8
0
0
8
MCV[4:0]
MIC Volume Gain. Allows setting the MIC Volume 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.
M20
Microphone 20 dB Gain Block
0 = Disabled; Gain = 0 dB
1 = Enabled; Gain = 20 dB.
MCM
MIC Mute. When this bit is set to “1,” the channel is muted.
Line In Volume (Index 10h)
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
1h
0
1 h
0
1 h
0
1h
0
1e
m
u
l
o
V
n
I
e
n
i
Le
m
u
l
o
V
n
I
e
n
i
L
e
m
u
l
o
V
n
I
e
n
i
L
e
m
u
l
o
V
n
I
e
n
i
Le
m
u
l
o
V
n
I
e
n
i
LM
LM
LM
LM
LM
LX
X
X
X
XX
X
X
X
X4
V
L
L4
V
L
L
4
V
L
L
4
V
L
L4
V
L
L3
V
L
L3
V
L
L
3
V
L
L
3
V
L
L3
V
L
L2
V
L
L2
V
L
L
2
V
L
L
2
V
L
L2
V
L
L1
V
L
L1
V
L
L
1
V
L
L
1
V
L
L1
V
L
L0
V
L
L0
V
L
L
0
V
L
L
0
V
L
L0
V
L
LX
X
X
X
XX
X
X
X
XX
X
X
X
X4
V
L
R4
V
L
R
4
V
L
R
4
V
L
R4
V
L
R3
V
L
R3
V
L
R
3
V
L
R
3
V
L
R3
V
L
R2
V
L
R2
V
L
R
2
V
L
R
2
V
L
R2
V
L
R1
V
L
R1
V
L
R
1
V
L
R
1
V
L
R1
V
L
R0
V
L
R0
V
L
R
0
V
L
R
0
V
L
R0
V
L
Rh
8
0
8
8h
8
0
8
8
h
8
0
8
8
h
8
0
8
8h
8
0
8
8
RLV[4:0]
Right Line In Volume. Allows setting the Line In 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.
LLV[4:0]
Line In Volume Left. Allows setting the Line In 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.
LM
Line In Mute. When this bit is set to “1,” the channel is muted.
CD Volume (Index 12h)
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
1h
2
1 h
2
1 h
2
1h
2
1e
m
u
l
o
V
D
Ce
m
u
l
o
V
D
C
e
m
u
l
o
V
D
C
e
m
u
l
o
V
D
Ce
m
u
l
o
V
D
CM
V
CM
V
C M
V
C M
V
CM
V
CX
X
X
X
XX
X
X
X
X4
V
C
L4
V
C
L
4
V
C
L
4
V
C
L4
V
C
L3
V
C
L3
V
C
L
3
V
C
L
3
V
C
L3
V
C
L2
V
C
L2
V
C
L
2
V
C
L
2
V
C
L2
V
C
L1
V
C
L1
V
C
L
1
V
C
L
1
V
C
L1
V
C
L0
V
C
L0
V
C
L
0
V
C
L
0
V
C
L0
V
C
LX
X
X
X
XX
X
X
X
XX
X
X
X
X4
V
C
R4
V
C
R
4
V
C
R
4
V
C
R4
V
C
R3
V
C
R3
V
C
R
3
V
C
R
3
V
C
R3
V
C
R2
V
C
R2
V
C
R
2
V
C
R
2
V
C
R2
V
C
R1
V
C
R1
V
C
R
1
V
C
R
1
V
C
R1
V
C
R0
V
C
R0
V
C
R
0
V
C
R
0
V
C
R0
V
C
Rh
8
0
8
8h
8
0
8
8
h
8
0
8
8
h
8
0
8
8h
8
0
8
8
RCV[4:0]
Right CD Volume. Allows setting the CD 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.
LCV[4:0]
Left CD Volume. Allows setting the CD 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.
CVM
CD Volume Mute. When this bit is set to “1,” the channel is muted.



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