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AD1887 Datasheet(PDF) 11 Page - Analog Devices

Part # AD1887
Description  AC??7 SoundMAX Codec
PDF  16 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

AD1887 Datasheet(HTML) 11 Page - Analog Devices

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REV. 0
AD1887
–11–
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 (Index 0Ch to 18h)
Mute
x4 . . . x0
Function
0
00000
+12 dB Gain
0
01000
0 dB Gain
0
11111
–34.5 dB Gain
1
xxxxx
–
∞ dB Gain
Record Select Control Register (Index 1Ah)
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
A
1h
A
1 h
A
1 h
A
1h
A
1t
c
e
l
e
S
d
r
o
c
e
Rt
c
e
l
e
S
d
r
o
c
e
R
t
c
e
l
e
S
d
r
o
c
e
R
t
c
e
l
e
S
d
r
o
c
e
Rt
c
e
l
e
S
d
r
o
c
e
RX
X
X
X
XX
X
X
X
XX
X
X
X
XX
X
X
X
XX
X
X
X
X2
S
L2
S
L 2
S
L 2
S
L2
S
L1
S
L1
S
L 1
S
L 1
S
L1
S
L0
S
L0
S
L 0
S
L 0
S
L0
S
LX
X
X
X
XX
X
X
X
XX
X
X
X
XX
X
X
X
XX
X
X
X
X2
S
R2
S
R 2
S
R 2
S
R2
S
R1
S
R1
S
R 1
S
R 1
S
R1
S
R0
S
R0
S
R 0
S
R 0
S
R0
S
Rh
0
0
0
0h
0
0
0
0
h
0
0
0
0
h
0
0
0
0h
0
0
0
0
RS[2:0]
Right Record Select
LS[2:0]
Left Record Select
Used to select the record source independently for right and left. See table for legend.
The default value is 0000h, which corresponds to Mic in.
Record Gain (Index 1Ch)
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
1h
C
1
h
C
1
h
C
1h
C
1n
i
a
G
d
r
o
c
e
Rn
i
a
G
d
r
o
c
e
R
n
i
a
G
d
r
o
c
e
R
n
i
a
G
d
r
o
c
e
Rn
i
a
G
d
r
o
c
e
RM
IM
IM
IM
IM
IX
X
X
X
XX
X
X
X
XX
X
X
X
X3
M
I
L3
M
I
L
3
M
I
L
3
M
I
L3
M
I
L2
M
I
L2
M
I
L
2
M
I
L
2
M
I
L2
M
I
L1
M
I
L1
M
I
L
1
M
I
L
1
M
I
L1
M
I
L0
M
I
L0
M
I
L
0
M
I
L
0
M
I
L0
M
I
LX
X
X
X
XX
X
X
X
XX
X
X
X
XX
X
X
X
X3
M
I
R3
M
I
R
3
M
I
R
3
M
I
R3
M
I
R2
M
I
R2
M
I
R
2
M
I
R
2
M
I
R2
M
I
R1
M
I
R1
M
I
R
1
M
I
R
1
M
I
R1
M
I
R0
M
I
R0
M
I
R
0
M
I
R
0
M
I
R0
M
I
Rh
0
0
0
8h
0
0
0
8
h
0
0
0
8
h
0
0
0
8h
0
0
0
8
RIM[3:0]
Right Input Mixer Gain Control. Each LSB represents 1.5 dB, 0000 = 0 dB and the range is 0 dB to 22.5 dB.
LIM[3:0]
Left Input Mixer Gain Control. Each LSB represents 1.5 dB, 0000 = 0 dB and the range is 0 dB to 22.5 dB.
IM
Input Mute
0 = Unmuted
1 = Muted or –
∞ dB Gain
IM
xIM3 . . . xIM0
Function
0
1111
22.5 dB Gain
0
0000
0 dB Gain
1
xxxxx
–
∞ dB Gain
RS2 . . . RS0
Right Record Source
0
MIC
1
CD_L
4
LINE_IN_R
5
Stereo Mix (R)
6
Mono Mix
LS2 . . . LS0
Left Record Source
0
MIC
1
CD_L
4
LINE_IN_L
5
Stereo Mix (L)
6
Mono Mix



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