CRD42L52(2006) 查看數據表（PDF） - Cirrus Logic
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CRD42L52 Datasheet PDF : 82 Pages
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6.36.2 DSP Engine Overflow (Read Only)
Indicates the over-range status in the DSP data path.
DSPxOVFL
0
1
Application:
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.
“Analog Outputs” on page 29
CS42L52
6.36.3 PCMx Overflow (Read Only)
Indicates the over-range status in the PCM mix data path.
PCMxOVFL
0
1
Application:
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.
“Analog Outputs” on page 29
6.36.4 ADCx Overflow (Read Only)
Indicates the over-range status in the ADC signal path.
ADCxOVFL
0
1
Application:
ADC Overflow Status:
No clipping has occurred anywhere in the ADC signal path.
Clipping has occurred in the ADC signal path.
“Analog Inputs” on page 26
6.37 Battery Compensation (Address 2Fh)
7
6
5
BATTCMP VPMONITOR Reserved
4
Reserved
3
VPREF3
2
VPREF2
1
VPREF1
0
VPREF0
6.37.1 Battery Compensation
Configures automatic adjustment of the speaker volume when VP deviates from VPREF[3:0].
BATTCMP
0
1
Application:
Automatic Battery Compensation
Disabled
Enabled
“Maintaining a Desired Output Level” on page 34
6.37.2 VP Monitor
Configures the internal ADC that monitors the VP voltage level.
VPMONITOR
0
1
VP ADC Status
Disabled
Enabled
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.
DS680A1
71
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