CS43L22 View Datasheet(PDF) - Cirrus Logic

Part Name

Description

MFG CO.

CS43L22

Low Power, Stereo DAC w/Headphone & Speaker Amps

Cirrus Logic 

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CS43L22

7.21 Speaker Volume Control: SPKA (Address 24h) & SPKB (Address 25h)

7

SPKxVOL7

6

SPKxVOL6

5

SPKxVOL5

4

SPKxVOL4

3

SPKxVOL3

2

SPKxVOL2

1

SPKxVOL1

0

SPKxVOL0

7.21.1 Speaker Volume Control

Sets the volume of the signal out the PWM modulator.

SPKxVOL[7:0]

0000 0000

1111 1111

1111 1110

···

0100 0000

···

0000 0001

Step Size:

Speaker Volume

0 dB

-0.5 dB

-1.0 dB

···

-96.0 dB

···

Muted

0.5 dB

Note: The maximum step size error is +/-0.15 dB.

7.22 PCM Channel Swap (Address 26h)

7

6

5

4

PCMASWP1 PCMASWP0 PCMBSWP1 PCMBSWP0

3

Reserved

2

Reserved

1

Reserved

0

Reserved

7.22.1 PCM Channel Swap

Configures a mix/swap of the PCM data to the headphone/line or speaker outputs.

PCMxSWP[1:0]

00

01

10

11

PCM to HP/LINEOUTA

Left

(Left + Right)/2

Right

PCM to HP/LINEOUTB

Right

(Left + Right)/2

Left

52

DS792F2

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