CS4341

20

DS298PP2

4.10

MUTE

Channel A Volume Control Register (address 03h)

Channel B Volume Control Register (address 04h)

Access:

Default:

0 - Disabled

Function:

The Digital-to-Analog converter output will mute when enabled. The quiescent voltage on the output

will be retained. The muting function is effected, similiar to attenuation changes, by the Soft and Zero

Cross bits in the Volume and Mixing Control register. The MUTEC will go active during the mute pe-

riod if the Mute function is enabled for both channels.

1001

0

MUTE

bL

1001

1

MUTE

[(aL+bR)/2]

1010

0

aR

MUTE

1010

1

aR

bR

1011

0

aR

bL

1011

1

aR

[(bL+aR)/2]

1100

0

aL

MUTE

1100

1

aL

bR

1101

0

aL

bL

1101

1

aL

[(aL+bR)/2]

1110

0

[(aL+bR)/2]

MUTE

1110

1

[(aL+bR)/2]

bR

1111

0

[(bL+aR)/2]

bL

1111

1

[(aL+bR)/2]

[(aL+bR)/2]

765

4321

0

MUTE

VOL6

VOL5

VOL4

VOL3

VOL2

VOL1

VOL0

MUTE

MODE

0

Disabled

1

Enabled

Table 10. Mute Enable

ATAPI4

ATAPI3

ATAPI2

ATAPI1

ATAPI0

AOUTA

AOUTB

Table 9. ATAPI Decode (Continued)