AD1986A Analog Devices, AD1986A Datasheet - Page 27

• Manufacturer Part Number: AD1986A
• Description: HD Audio SoundMAX Codec
• Manufacturer: Analog Devices

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4
ADC SELECT (REGISTER 0x1A)
This register selects the record source for the ADC, independently for the right and left channels. The default value is 0x0000, which
corresponds to the MIC_1/2 input for both channels.
Reg
0x1A
Table 84.
Register
LS [2:0]
(Left Record Select)
RS [2:0]
(Right Record Select)
Table 85. Microphone Selector
OMS [2:0]
000
000
000
000
000
001
001
001
001
001
01x
01x
01x
01x
01x
100
100
100
100
100
Name
ADC
Select
1
MMIX
0
0
0
0
1
0
0
0
0
1
0
0
0
0
1
0
0
0
0
1
D15
x
2
2CMIC
0
0
1
1
x
0
0
1
1
x
0
0
1
1
x
0
0
1
1
x
D14
x
LS [2:0]
000
001
010
011
100
101
110
111
RS [2:0]
000
001
010
011
100
101
110
111
3
D13
x
MS
0
1
0
1
x
0
1
0
1
1
0
1
0
1
0
1
x
0
x
x
4
Left Record Source
MIC_1/2 selector left channel
CD_IN
Muted
AUX_IN
LINE_IN
Stereo output mix
Mono output mix
PHONE_IN
Right Record Source
MIC_1/2 selector left channel
CD_IN
Muted
AUX_IN
LINE_IN
Stereo output mix
Mono output mix
PHONE_IN
D12
x
Left Channel
MIC_1
MIC_2
LINE_IN left
LINE_IN right
CENTER
LFE
MIC_1 + CENTER (mixed)
MIC_2 + LFE (mixed)
D11
x
D10
LS2
5
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D9
LS1
D8
LS0
MIC_1 + MIC_2 + CENTER + LFE (mixed)
Line in—left + right (mixed)
D7
x
MIC_1 + CENTER (mixed)
MIC_1 + MIC_2 (mixed)
CENTER + LFE (mixed)
MIC_2 + LFE (mixed)
MIC_1 (default)
D6
x
LINE_IN right
LINE_IN left
CENTER
MIC_2
LFE
D5
x
Function
Default
Left
–
Left
Left
Left
Mono
Mono
Default
Right
–
Right
Right
Right
Mono
Mono
Right Channel
MIC_2
MIC_1
LINE_IN right
LINE_IN left
LFE
CENTER
MIC_2 + LFE (mixed)
MIC_1 + CENTER (mixed)
D4
x
D3
x
D2
RS2
D1
RS1
RS0
D0
AD1986A
Default
0x0000