CS4223 CS4224

DS290PP3

13

5. REGISTER DESCRIPTIONS - CS4224

5.1

ADC Control (address 01h)

5.1.1

POWER DOWN ADC (PDN)

Default = 0

0 - Disabled

1 - Enabled

Function:

The ADC will enter a low-power state when this function is enabled.

5.1.2

LEFT AND RIGHT CHANNEL HIGH PASS FILTER DEFEAT (HPDR-HPDL)

Default = 0

0 - Disabled

1 - Enabled

Function:

The internal high-pass filter is defeated when this function is enabled. Control of the internal high-

pass filter is independent for the left and right channel.

5.1.3

LEFT AND RIGHT CHANNEL ADC MUTING (ADMR-ADML)

Default = 0

0 - Disabled

1 - Enabled

Function:

The output for the selected ADC channel will be muted when this function is enabled.

5.1.4

CALIBRATION CONTROL (CAL)

Default = 0

0 - Disabled

1 - Enabled

Function:

The device will automatically perform an offset calibration when brought out of reset, which last ap-

proximately 50 ms. When this function is enabled, a rising edge on the reset line will initiate an offset

calibration.

5.1.5

CALIBRATION STATUS (CALP) (READ ONLY)

Default = 0

0 - Calibration done

1 - Calibration in progress

765

4321

0

PDN

HPDR

HPDL

ADMR

ADML

CAL

CALP

CLKE

000

0000

0