CS42L52 Datasheet, PDF (43/82 Pages) Cirrus Logic – Low Power, Stereo CODEC w/Headphone & Speaker Amps

6.2.3
CS42L52
Power Down ADCx
Configures the power state of ADC channel x.
PDN_ADCx
0
1
Application
ADC Status
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“Analog In to Analog Out Passthru” on page 32
Notes:
1. The CS42L52 employs a clever scheme for controlling the power to the ADC when PASSTHRU
(“Passthru Analog” on page 52) and PDN_OVRD (“Power Down ADC Override” on page 43) are
enabled. Refer to the referenced application.
6.2.4
Power Down
Configures the power state of the entire CODEC.
PDN
0
1
CODEC Status
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6.3 Power Control 2 (Address 03h)
7
Reserved
6
Reserved
5
Reserved
4
OVRDB
3
OVRDA
2
PDN_MICB
1
PDN_MICA
0
PDN_BIAS
6.3.1
Power Down ADC Override
Configures an override of the power down control for ADCx.
OVRDx
0
1
Application
PDN_ADC Override
Disable
Enable
“Analog In to Analog Out Passthru” on page 32
6.3.2
Power Down MICx
Configures the power state of the microphone pre-amplifier for channel x.
PDN_MICx
0
1
Application
MIC Pre-Amp Status
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“MIC Inputs” on page 27
6.3.3
Power Down MIC Bias
Configures the power state of the microphone bias circuit.
PDN_BIAS
0
1
MIC Bias Status
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DS680A1
43