CS44800 datasheet(59/81 Pages) CIRRUS

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DS632PP1

CS44800

7.13

Channel Mute (address 13h)

7.13.1

Independent Channel Mute (CHXX_MUTE)

Default = 0

0 - Disabled

1 - Enabled

Function:

The PWM outputs of the CS44800 will mute when enabled. The muting function is affected, similar to at-

tenuation changes, by the Soft and Zero Cross bits (SZC[1:0]).

7.14

Channel Invert (address 14h)

7.14.1

Invert Signal Polarity (CHXX_INV)

Default = 0

0 - Disabled

1 - Enabled

Function:

When enabled, these bits will invert the signal polarity of their respective channels.

CHXX_IVOL[7:0]

CHXX_FVOL(1:0)

Volume Setting

0001 1000

+24.00 dB

0001 0111

+23.50 dB

0000 0001

+1.75 dB

0000 0001

+1.00 dB

0000 0000

+0.25 dB

0000 0000

0 dB

1111 1111

-0.50 dB

1111 1111

-1.00 dB

1111 1110

-1.25 dB

1111 1101

-2.50 dB

1000 0010

-126.00 dB

1000 0001

-126.25 dB

1000 0001

-127.00 dB

Table 9. Channel Fractional Volume Settings

765

CHB4_MUTE

CHA4_MUTE

CHB3_MUTE

CHA3_MUTE

CHB2_MUTE

CHA2_MUTE

CHB1_MUTE

CHA1_MUTE

765

CHB4_INV

CHA4_INV

CHB3_INV

CHA3_INV

CHB2_INV

CHA2_INV

CHB1_INV

CHA1_INV

CS44800 Datasheet(PDF) 59 Page - Cirrus Logic

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