CRD42L51 Cirrus Logic Inc, CRD42L51 Datasheet - Page 74

• Manufacturer Part Number: CRD42L51
• Description: Ref Bd Low-voltage Stereo Codec
• Manufacturer: Cirrus Logic Inc

74
6.28
CHRG_FREQ
7
3
Charge Pump Frequency (Address 21h)
Charge Pump Frequency (CHRG_FREQ[3:0])
Default: 0101
Function:
Alters the clocking frequency of the charge pump in 1/(N+2) fractions of the DAC oversampling rate, 128Fs,
should the switching frequency interfere with other system frequencies such as those in the AM radio band.
Note:
15
N
...
0
CHRG_FREQ
CHRG_FREQ[3:0]
Distortion performance may be affected.
6
2
0000
1111
...
CHRG_FREQ
5
1
Frequency
64xFs
---------------- -
N
+
CHRG_FREQ
2
4
0
Reserved
3
Reserved
2
Reserved
1
CS42L51
Reserved
DS679F1
0