Atmel SAM4L Xplained Pro Starter Kit Atmel ATSAM4L-XSTK ATSAM4L-XSTK 数据表
产品代码
ATSAM4L-XSTK
880
42023E–SAM–07/2013
ATSAM4L8/L4/L2
Figure 32-2. Output signals with CMOC=0
Figure 32-3. Output signals with CMOC=1
32.6.7
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-
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-