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CS43L22 Datasheet(PDF) 58 Page - Cirrus Logic

Part # CS43L22
Description  Low Power, Stereo DAC w/Headphone & Speaker Amps
PDF  66 Pages
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Manufacturer  CIRRUS [Cirrus Logic]
Direct Link  http://www.cirrus.com
Logo CIRRUS - Cirrus Logic

CS43L22 Datasheet(HTML) 58 Page - Cirrus Logic

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58
DS792F2
CS43L22
Confidential Draft
3/4/10
7.29.2
SPKR/HP Pin Status (Read Only)
Indicates the status of the SPKR/HP pin.
7.30
Charge Pump Frequency (Address 34h)
7.30.1
Charge Pump Frequency
Sets the charge pump frequency on FLYN and FLYP.
Note:
The headphone output THD+N performance may be affected.
SPKR/HP
Pin State
0
Pulled Low
1
Pulled High
76
543
21
0
CHGFREQ3
CHGFREQ2
CHGFREQ1
CHGFREQ0
Reserved
Reserved
Reserved
Reserved
CHGFREQ[3:0]
N
0000
0
...
0101
5
...
1111
15
Formula:
Frequency = (64xFs)/(N+2)



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