CS4244 Datasheet, PDF (51/63 Pages) Cirrus Logic – 4 In/4 Out Audio CODEC with PCM and TDM Interfaces

6.7 ADC Control 1 (Address 0Fh)
7
Reserved
6
Reserved
5
VA_SEL
4
ENABLE HPF
3
INV. ADC4
2
INV. ADC3
1
INV. ADC2
CS4244
0
INV. ADC1
6.7.1
VA Select
Scales internal operational voltages appropriately for VA level. Configuring this bit appropriately for the
VA voltage level used in the application is imperative to ensure proper operation of the device.
VA_SEL
0
1
Must be set when VA is:
3.3 VDC
5 VDC
6.7.2
Enable High-pass Filter
Enables high-pass filter for the ADC path.
ENABLE HPF
0
1
High Pass Filter is:
Disabled
Enabled
6.7.3
Inv. ADCx
Inverts the polarity of the ADCx signal.
INV. ADCx
0
1
ADCx Polarity is:
Not Inverted
Inverted
6.8 ADC Control 2 (Address 10h)
7
6
5
4
MUTE ADC4 MUTE ADC3 MUTE_ADC2 MUTE ADC1
3
PDN ADC4
2
PDN ADC3
1
PDN ADC2
0
PDN ADC1
6.8.1
Mute ADCx
Mutes the ADCx signal
MUTE ADCx
0
1
ADC is:
Not Muted
Muted
6.8.2
Power Down ADCx
Powers down the ADCx path.
PDN ADCx
0
1
ADC is:
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DS900F2
51