Datasheet

691
32142D–06/2013
ATUC64/128/256L3/4U
Figure 28-2. Output signals with CMOC=0
Figure 28-3. Output signals with CMOC=1
28.6.7 Volume Control
The Audio Bitstream DAC have two volume control registers, Volume Control Register 0 (VCR0)
and Volume Control Register 1 (VCR1), that can be used to adjust the volume for the corre-
sponding channel. The volume control is linear and will only scale each sample according to the
value in the Volume Control (VOLUME) field in the volume control registers. The register also
has a Mute bit (MUTE) which can be used to mute the corresponding channel. The filtered out-