Cirrus Logic CS4341 - Manual (Page 29)

CS4341
DS298F5 29
6.4 CHANNEL A VOLUME CONTROL (ADDRESS 03H)
Same as CHANNEL B Volume Control.
6.5 CHANNEL B VOLUME CONTROL (ADDRESS 04H)
6.5.1 MUTE (MUTE) BIT 7
Default = 0
0 - Disabled
1 - Enabled
Function:
The Digital-to-Analog converter output will mute when enabled. The quiescent voltage on the output
will be retained. The muting function is affected, similar to attenuation changes, by the Soft and Zero
Cross bits in the Transition and Mixing Control (address 02h) register. The MUTEC will go active dur-
ing the mute period if the Mute function is enabled for both channels.
7 6 5 4 3 2 1 0
MUTEx VOLx6 VOLx5 VOLx4 VOLx3 VOLx2 VOLx1 VOLx0
0 0 0 0 0 0 0 0
Σ Σ
A Channel
Volume
Control
AoutA
AoutB
Left Channel
Audio Data
Right Channel
Audio Data
B Channel
Volume
Control
MUTE
MUTE
Figure 25. ATAPI Block Diagram