CRD42L52(2006) View Datasheet(PDF) - Cirrus Logic

Part Name

Description

Manufacturer

CRD42L52
(Rev.:2006)

Low Power, Stereo CODEC w/Headphone & Speaker Amps

Cirrus Logic 

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

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