User Manual

CS4360
32 DS517F2
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 ATAPI2 ATAPI1 ATAPI0 AOUTAx AOUTBx
0000 MUTE MUTE
0001 MUTE R
0010 MUTE L
0011 MUTE [(L+R)/2]
0100 R MUTE
0101 R R
0110 R L
0111 R [(L+R)/2]
1000 L MUTE
1001 L R
1010 L L
1011 L [(L+R)/2]
1100[(L+R)/2] MUTE
1101[(L+R)/2] R
1110[(L+R)/2] L
1111[(L+R)/2] [(L+R)/2]
Table 9. ATAPI Decode
Σ
A Channel
Volume
Control
Aout
A
Aout
B
Left Channel
Audio Data
Right Channel
Audio Data
B Channel
Volume
Control
& Mute
& Mute
Figure 22. ATAPI Block Diagram