CS43L22 查看數據表（PDF） - Cirrus Logic

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产品描述 (功能)

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CS43L22

Low Power, Stereo DAC w/Headphone & Speaker Amps

Cirrus Logic 

Confidential Draft

3/4/10

7.29.2 SPKR/HP Pin Status (Read Only)

Indicates the status of the SPKR/HP pin.

SPKR/HP

0

1

Pin State

Pulled Low

Pulled High

7.30 Charge Pump Frequency (Address 34h)

7

6

5

4

CHGFREQ3 CHGFREQ2 CHGFREQ1 CHGFREQ0

3

Reserved

2

Reserved

7.30.1 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.

CS43L22

1

Reserved

0

Reserved

58

DS792F2

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