AD1819A Analog Devices, AD1819A Datasheet - Page 15

• Manufacturer Part Number: AD1819A
• Description: ac '97 Soundport(r) Codec
• Manufacturer: Analog Devices

Record Select Control (Index 1Ah)
RS [2:0]
LS [2:0]
Record Gain (Index 1Ch)
RIM [3:0]
LIM [3:0]
IM
General Purpose (Index 20h)
LPBK
MS
REV. 0
R
N
1
R
N
1
C
R
N
2
e
u
A
e
u
0
g
h
m
e
u
g
h
h
m
g
m
N
R
N
R
N
G
e
a
e
a
o c
m
a
n e
o c
m
m
d r
e
r e
d r
e
e
l a
G
S
a
e
P
n i
e l
u
p r
t c
Right Record Select.
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.
Right Input Mixer Gain Control. Each LSB represents 1.5 dB, 0000 = 0 dB and the range is 0 dB to +22.5 dB.
Left Input Mixer Gain Control. Each LSB represents 1.5 dB, 0000 = 0 dB and the range is 0 dB to +22.5 dB.
Input Mute. 0 = Unmuted, 1 = Muted or –
Loopback Control. ADC/DAC digital loopback mode.
MIC Select.
0 = MIC1.
1 = MIC2.
o
e s
D
I
D
M
5 1
X
P
D
5 1
O
5 1
P
D
X
4 1
D
X
4 1
D
X
4 1
D
X
3 1
D
X
3 1
D
3
D
3 1
D
X
2 1
D
X
D
2 1
X
2 1
L
RS2 . . . RS0
0
1
2
3
4
5
6
7
LS2 . . . LS0
0
1
2
3
4
5
6
7
IM
0
0
1
D
I
M
1 1
3
D
D
X
X
1 1
1 1
L
D
I
M
0 1
D
D
L
2
X
0 1
S
0 1
2
xIM3 . . . xIM0
1111
0000
xxxxx
L
D
I
M
M
L
D
D
9
S
dB gain.
1
I
–15–
9
9
1
X
L
Right Record Source
MIC
CD_R
VIDEO_R
AUX_R
LINE_IN_R
Stereo Mix (R)
Mono Mix
PHONE_IN
Left Record Source
MIC
CD_L
VIDEO_L
AUX_L
LINE_IN_L
Stereo Mix (L)
Mono Mix
PHONE_IN
D
L
I
D
M
M
D
S
8
8
0
0
8
S
D
D
L
X
X
7
D
P
7
B
7
K
D
Function
+22.5 dB Gain
0 dB Gain
–
X
D
6
X
6
D
X
6
dB Gain
D
X
5
D
X
5
D
X
5
D
X
4
D
X
D
4
X
4
R
D
I
M
3
D
3
X
D
X
3
3
R
D
I
M
R
D
2
D
S
2
X
2
2
2
R
D
I
R
D
M
D
X
S
1
1
1
1
1
AD1819A
R
R
D
D
D
I
X
S
M
0
0
0
0
0
D
0
D
0
0
D
8
0
e
0
e
0
0
a f
e
a f
0
0
0
a f
h
0
u
h
u
h
u
t l
t l
t l