Table 95. Line-out Gain (Continued)
010111
011000
011001
011010
011011
011100
011101
011110
011111
100000
-34.5
-36.0
-37.5
-39.0
-40.5
-42.0
-43.5
-45.0
-46.5
mute
Table 96. DAC Output Level Control
LOLC 2:0
ROLC 2:0
Gain (dB)
000
001
010
011
100
6
3
0
-3
-6
Digital Mixer Control
The Audio DAC features a digital mixer that allows the mixing and selection of multiple
input sources.
The mixing / multiplexing functions are described in the following table according with
the next figure:
Figure 61. Mixing / Multiplexing functions
Left channel
1
Volume
Control
Volume
Control
+
2
1
From digital
filters
To DACs
Volume
Control
Volume
Control
+
2
Right channel
Note:
Whenever the two mixer inputs are selected, a –6 dB gain is applied to the output signal.
Whenever only one input is selected, no gain is applied.
88
AT8xC51SND2C
4341D–MP3–04/05
ATMEL [ ATMEL ]
