CS42L55 Datasheet, PDF (48/73 Pages) Cirrus Logic – Ultra Low Power, Stereo CODEC w/Class H Headphone Amp

6.10 Misc. ADC Control (Address 0Ah)
7
ADCB=A
6
PGAB=A
5
DIGSUM1
4
DIGSUM0
CS42L55
3
INV_ADCB
2
INV_ADCA
1
ADCBMUTE
0
ADCAMUTE
6.10.1 ADC Channel B=A
Configures independent or ganged volume control of the ADC and the ALC.
ADCB=A
0
1
Single Volume Control
Disabled
Enabled
6.10.2 PGA Channel B=A
Configures independent or ganged volume control of the PGA.
PGAB=A
0
1
Single Volume Control
Disabled
Enabled
6.10.3 Digital Sum
Configures a mix/swap of ADCA and ADCB.
DIGSUM[1:0]
00
01
10
11
Left Channel
ADCA
(ADCA + ADCB)/2
(ADCA - ADCB)/2
ADCB
Serial Output Signal
Right Channel
ADCB
(ADCA + ADCB)/2
(ADCA - ADCB)/2
ADCA
6.10.4 Invert ADC Signal Polarity
Configures the polarity of the ADC signal.
INV_ADCx
0
1
ADC Signal Polarity
Not Inverted
Inverted
6.10.5 ADC Mute
Configures a digital mute on ADC channel x.
ADCxMUTE
0
1
ADC Mute
Not muted.
Muted
48
DS773F1