Manual

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
76543210
CHGFREQ3 CHGFREQ2 CHGFREQ1 CHGFREQ0 Reserved Reserved Reserved Reserved
CHGFREQ[3:0] N
0000 0
...
0101 5
...
1111 15
Formula: Frequency = (64xFs)/(N+2)