CS4360_04 Datasheet, PDF (32/37 Pages) Cirrus Logic – 24-Bit, 192 kHz 6 Channel D/A Converter

CS4360
6.3.1 ATAPI CHANNEL MIXING AND MUTING (ATAPI) BIT 0-3
Default = 1001 - AOUTAx = L, AOUTBx = R (Stereo)
Function:
The CS4360 implements the channel mixing functions of the ATAPI CD-ROM specification. Refer to
Table 9 and Figure 22 for additional information.
Note: All mixing functions occur prior to the digital volume control. Mixing only occurs in channel pairs.
ATAPI3
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
ATAPI2
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
ATAPI1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
ATAPI0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
AOUTAx
MUTE
MUTE
MUTE
MUTE
R
R
R
R
L
L
L
L
[(L+R)/2]
[(L+R)/2]
[(L+R)/2]
[(L+R)/2]
Table 9. ATAPI Decode
AOUTBx
MUTE
R
L
[(L+R)/2]
MUTE
R
L
[(L+R)/2]
MUTE
R
L
[(L+R)/2]
MUTE
R
L
[(L+R)/2]
Left Channel
Audio Data
A Channel
Volume
Control
& Mute
AoutA
Σ
Right Channel
Audio Data
B Channel
Volume
Control
& Mute
Figure 22. ATAPI Block Diagram
AoutB
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DS517F2