CS4351(2004) 데이터 시트보기 (PDF) - Cirrus Logic
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CS4351 Datasheet PDF : 41 Pages
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CS4351
6.3.3 INVERT SIGNAL POLARITY (INVERT_B) BIT 5
Function:
When set to 1, this bit inverts the signal polarity of channel B.
When set to 0 (default), this function is disabled.
6.3.4 ATAPI CHANNEL MIXING AND MUTING (ATAPI3:0) BITS 3-0
Default = 1001 - AOUTA=aL, AOUTB=bR (Stereo)
Function:
The CS4351 implements the channel mixing functions of the ATAPI CD-ROM specification. Refer to Ta-
ble 9 and Figure 12 for additional information.
Left Channel
Audio Data
A Channel
Volume
Control
MUTE AoutA
Σ
Σ
Right Channel
Audio Data
Figure 12. ATAPI Block Diagram
B Channel
Volume
Control
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
AOUTA
MUTE
MUTE
MUTE
MUTE
aR
aR
aR
aR
aL
aL
aL
aL
a[(L+R)/2]
a[(L+R)/2]
a[(L+R)/2]
a[(L+R)/2]
Table 9. ATAPI Decode
30
MUTE AoutB
AOUTB
MUTE
bR
bL
b[(L+R)/2]
MUTE
bR
bL
b[(L+R)/2]
MUTE
bR
bL
b[(L+R)/2]
MUTE
bR
bL
b[(L+R)/2]
DS566PP2
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