cs42l52 Cirrus Logic, Inc., cs42l52 Datasheet - Page 73

• Manufacturer Part Number: cs42l52
• Description: Low-power, Stereo Codec W/ Headphone & Speaker Amps
• Manufacturer: Cirrus Logic, Inc.

DS680F1
6.39.2 SPKR/HP Pin Status (Read Only)
6.40
6.40.1 Charge Pump Frequency
CHGFREQ3
7
Charge Pump Frequency (Address 34h)
Indicates the status of the SPKR/HP pin.
Sets the charge pump frequency on FLYN and FLYP.
Note:
SPKR/HP
0
1
CHGFREQ[3:0]
0000
...
0101
...
1111
Formula:
CHGFREQ2
The headphone output THD+N performance may be affected.
6
Pin State
Pulled Low
Pulled High
N
0
5
15
Frequency = (64xFs)/(N+2)
CHGFREQ1
5
CHGFREQ0
4
5/13/08
Reserved
3
Reserved
2
Reserved
1
CS42L52
Reserved
0
73