cs43l43 Cirrus Logic, Inc., cs43l43 Datasheet - Page 23

• Manufacturer Part Number: cs43l43
• Description: Low-voltage Stereo D/a Converter With Headphone Amplifier
• Manufacturer: Cirrus Logic, Inc.

DS479PP3
ATAPI3
5.10.4 ATAPI CHANNEL MIXING AND MUTING (ATAPI)
Function:
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
Default = 1001 - HP_A = L, HP_B = R (Stereo)
The CS43L43 implements the channel mixing functions of the ATAPI CD-ROM specification. Refer to Ta-
ble 13 and Figure 9 for additional information.
NOTE: All mixing functions occur prior to the digital volume control.
Right Channel
Left Channel
Audio Data
Audio Data
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
Σ
Figure 9. ATAPI Block Diagram
ATAPI0
Table 13. ATAPI Decode
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Channel B
Channel A
Volume
Control
Volume
Control
Digital
Digital
EQ
EQ
BIT 0-3
[(L+R)/2]
[(L+R)/2]
[(L+R)/2]
[(L+R)/2]
MUTE
MUTE
MUTE
MUTE
HP_A
R
R
R
R
L
L
L
L
Volume
Control
Analog
Volume
Control
Analog
MUTE
MUTE
HP_A
HP_B
[(L+R)/2]
[(L+R)/2]
[(L+R)/2]
[(L+R)/2]
MUTE
MUTE
MUTE
MUTE
HP_B
R
R
R
R
CS43L43
L
L
L
L
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