Cirrus Logic CS4244 - Manual (Page 51)

DS900F1 51
CS4244
6.7 ADC Control 1 (Address 0Fh)
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.
6.7.2 Enable High-pass Filter
Enables high-pass filter for the ADC path.
6.7.3 Inv. ADCx
Inverts the polarity of the ADCx signal.
6.8 ADC Control 2 (Address 10h)
6.8.1 Mute ADCx
Mutes the ADCx signal
6.8.2 Power Down ADCx
Powers down the ADCx path.
7 6 5 4 3 2 1 0
Reserved Reserved VA_SEL ENABLE HPF INV. ADC4 INV. ADC3 INV. ADC2 INV. ADC1
VA_SEL Must be set when VA is:
0 3.3 VDC
1 5 VDC
ENABLE HPF High Pass Filter is:
0 Disabled
1 Enabled
INV. ADCx ADCx Polarity is:
0 Not Inverted
1 Inverted
7 6 5 4 3 2 1 0
MUTE ADC4 MUTE ADC3 MUTE_ADC2 MUTE ADC1 PDN ADC4 PDN ADC3 PDN ADC2 PDN ADC1
MUTE ADCx ADC is:
0 Not Muted
1 Muted
PDN ADCx ADC is:
0 Powered Up
1 Powered Down