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

7.10 Playback Control 1 (Address 0Dh)

7

HPGAIN2

6

HPGAIN1

5

4

HPGAIN0 PLYBCKB=A

3

INV_PCMB

2

1

0

INV_PCMA MSTBMUTE MSTAMUTE

7.10.1 Headphone Analog Gain

Selects the gain multiplier for the headphone/line outputs.

HPGAIN[2:0]

000

001

010

011

100

101

110

111

Headphone/Line Gain Setting (G)

0.3959

0.4571

0.5111

0.6047

0.7099

0.8399

1.000

1.1430

Note: Refer to “Headphone Output Power Characteristics” on page 14 and “Headphone Output Power

Characteristics” on page 14.

7.10.2 Playback Volume Setting B=A

Configures independent or ganged volume control of all playback channels. Mute is not affected.

PLYBCKB=A

0

1

Single Volume Control for all Playback Channels

Disabled

Enabled

7.10.3 Invert PCM Signal Polarity

Configures the polarity of the digital input signal.

INV_PCMx

0

1

PCM Signal Polarity

Not Inverted

Inverted

7.10.4 Master Playback Mute

Configures a digital mute on the master volume control for channel x.

MSTxMUTE

0

1

Master Mute

Not Inverted

Inverted

Note: The muting function is affected by the DIGSFT (“Digital Soft Ramp” on page 44) and DIGZC

(“Digital Zero Cross” on page 45) bits.

DS792F2

43

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