CS42L50
4.2.24 ATAPI CHANNEL MIXING AND MUTING (ATAPI)
Default = 1001 - AOUTA/HP_A = L, AOUTB/HP_B = R (Stereo)
Function:
The CS42L50 implements the channel mixing functions of the ATAPI CD-ROM specification. Refer to
Table 5 and Figure 32 for additional information.
Note: All mixing functions occur prior to the digital volume control.
ATAPI3
ATAPI2
ATAPI1
ATAPI0
AOUTA/HP_A
AOUTB/HP_B
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
MUTE
MUTE
MUTE
MUTE
MUTE
R
R
R
R
L
L
R
L
[(L+R)/2]
MUTE
R
L
[(L+R)/2]
MUTE
R
L
L
L
[(L+R)/2]
MUTE
R
[(L+R)/2]
[(L+R)/2]
[(L+R)/2]
[(L+R)/2]
L
[(L+R)/2]
Table 5. ATAPI Decode
4.2.25 Mode Control 2 (address 0Bh)
7
MCLKDIV
0
6
LINE1
0
5
LINE0
0
4
3
2
DIF2
0
1
DIF1
0
0
DIF0
0
RESERVED
0
RESERVED
0
4.2.26 MASTER CLOCK DIVIDE ENABLE (MCLKDIV)
Default = 0
0 - Disabled
1 - Enabled
Function:
The MCLKDIV bit enables a circuit which divides the externally applied MCLK signal by 2 prior to all other
DAC circuitry.
4.2.27 LINE AMPLIFIER GAIN COMPENSATION (LINE)
Default = 00
00 - 0.785 x VA
01 - 0.943 x VA
10 - Reserved
DS544PP1
29
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