CS42L52 Datasheet, PDF (74/82 Pages) Cirrus Logic – Low Power, Stereo CODEC w/Headphone & Speaker Amps

CS42L52
6.40.4 Speaker Attenuation
Sets the speaker attenuation level when die temperature is approaching thermal error status.
SPKATTN[2:0]
000
001
010
011
100
101
110
111
Attenuation Setting
0 dB
1 dB
2 dB
3 dB
4 dB
5 dB
6 dB
7 dB
Note: The output levels of the affected channel returns to the volume specified in SPKxVOL[7:0]
(“Speaker Volume Control” on page 64) after ~512 ms.
6.41 Charge Pump Frequency (Address 34h)
7
6
5
4
CHGFREQ3 CHGFREQ2 CHGFREQ1 CHGFREQ0
3
Reserved
2
Reserved
1
Reserved
0
Reserved
6.41.1 Charge Pump Frequency
Sets the charge pump frequency on FLYN and FLYP.
CHGFREQ[3:0]
0000
...
0101
...
1111
Formula:
N
0
5
15
Frequency = (64xFs)/(N+2)
Note: The headphone output THD+N performance may be affected.
74
DS680A1