CS4228 查看數據表（PDF） - Cirrus Logic

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CS4228

24-Bit, 96 kHz Surround Sound Codec

Cirrus Logic 

CS4228

DAC De-emphasis Control

Address 0x06

7

DEMS1

1

6

DEMS0

0

5

DEM6

0

4

DEM5

0

3

DEM4

0

DEMS1:0

DEM6 - DEM1

Selects the DAC de-emphasis response curve.

0 - Reserved

1 - De-emphasis for 48 kHz

*2 - De-emphasis for 44.1 kHz

3 - De-emphasis for 32 kHz

De-emphasis control for DAC6 - DAC1 respectively

*0 - De-emphasis off

1 - De-emphasis on

2

DEM3

0

1

DEM2

0

0

DEM1

0

Digital Volume Control

Addresses 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C

7

6

5

4

3

2

1

0

VOLn

0

0

0

0

0

0

0

0

VOL6 - VOL1

Address 0x0C - 0x07 sets the attenuation level for DAC 6 - DAC1 respectively. The attenutation

level is ramped up and down at the rate specified by RMP1:0 in the DAC Volume Control Setup

register.

0 - 181 represents 0 to 90.5 dB of attenuation in 0.5 dB steps.

22

DS307PP1

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