CS42L52 datasheet(71/82 Pages) CIRRUS

71 / 82 page

DS680A1

CS42L52

6.36.2 DSP Engine Overflow (Read Only)

Indicates the over-range status in the DSP data path.

6.36.3 PCMx Overflow (Read Only)

Indicates the over-range status in the PCM mix data path.

6.36.4 ADCx Overflow (Read Only)

Indicates the over-range status in the ADC signal path.

6.37 Battery Compensation (Address 2Fh)

6.37.1 Battery Compensation

Configures automatic adjustment of the speaker volume when VP deviates from VPREF[3:0].

6.37.2 VP Monitor

Configures the internal ADC that monitors the VP voltage level.

Note:

The internal ADC that monitors the VP supply is enabled automatically when BATTCMP is en-

abled, regardless of the VPMONITOR setting. Conversely, when BATTCMP is disabled, the ADC may be

enabled by enabling VPMONITOR; this provides a convenient battery monitor without enabling battery

compensation.

DSPxOVFL

DSP Overflow Status:

No digital clipping has occurred in the data path after the DSP.

Digital clipping has occurred in the data path after the DSP.

Application:

“Analog Outputs” on page 29

PCMxOVFL

PCM Overflow Status:

No digital clipping has occurred in the data path of the PCM mix (“PCM Mixer Channel x Volume” on page 58)

of the DSP.

Digital clipping has occurred in the data path of the PCM mix of the DSP.

Application:

“Analog Outputs” on page 29

ADCxOVFL

ADC Overflow Status:

No clipping has occurred anywhere in the ADC signal path.

Clipping has occurred in the ADC signal path.

Application:

“Analog Inputs” on page 26

432

BATTCMP

VPMONITOR

Reserved

VPREF3

VPREF2

VPREF1

VPREF0

BATTCMP

Automatic Battery Compensation

Disabled

Enabled

Application:

“Maintaining a Desired Output Level” on page 34

VPMONITOR

VP ADC Status

Disabled

Enabled

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