CS42L56 View Datasheet(PDF) - Cirrus Logic
Part Name
Description
MFG CO.
CS42L56 Datasheet PDF : 92 Pages
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6.25 Misc. ADC Control (Address 1Ch)
7
ADCB=A
6
PGAB=A
5
DIGSUM1
4
DIGSUM0
CS42L56
3
INV_ADCB
2
INV_ADCA
1
ADCBMUTE
0
ADCAMUTE
6.25.1 ADC Channel B=A
Configures independent or ganged volume and mute control of the ADC. When enabled, the channel B
settings are ignored and the channel A settings control channel A and channel B.
ADCB=A
0
1
Single Volume Control
Disabled; Independent channel control.
Enabled; Ganged channel control. Channel A volume
control controls channel B volume.
Affected Volume Controls
ADCxMUTE (“ADC Mute” on page 76)
ADCxVOL[6:0] (“ADCx Volume” on page 78)
6.25.2 PGA Channel B=A
Configures independent or ganged volume control of the PGA. When enabled, the channel B settings are
ignored and the channel A settings control channel A and channel B. Affected register bits include PGAx-
VOL[5:0].
PGAB=A
0
1
Single Volume Control
Disabled; Independent channel control.
Enabled; Ganged channel control. Channel A volume
control controls channel B volume.
Affected Volume Controls
PGAxVOL[5:0] (“PGAx Volume” on page 78)
6.25.3 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
6.25.4 Invert ADC Signal Polarity
Configures the polarity of the ADC signal.
INV_ADCx
0
1
ADC Signal Polarity
Not Inverted
Inverted
6.25.5 ADC Mute
Configures a digital mute on ADC channel x.
ADCxMUTE
0
1
ADC Mute
Not muted.
Muted
DS851F2
75
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