CS4365_08 Datasheet, PDF (42/52 Pages) Cirrus Logic – 114 dB, 192 kHz 6-Channel D/A Converter

6.10 Mixing Control (address 0Ah, 0Dh, 10h, 13h)
7
Reserved
0
6
Px_DEM1
0
5
Px_DEM0
0
4
PxATAPI4
0
3
PxATAPI3
1
2
PxATAPI2
0
1
PxATAPI1
0
CS4365
0
PxATAPI0
1
6.10.1 De-Emphasis Control (PX_DEM1:0)
Default = 00
00 - Disabled
01 - 44.1 kHz
10 - 48 kHz
11 - 32 kHz
Function:
Selects the appropriate digital filter to maintain the standard 15 μs/50 μs digital de-emphasis filter re-
sponse at 32, 44.1 or 48 kHz sample rates. (see Figure 16)
De-emphasis is only available in Single-Speed Mode.
6.10.2 ATAPI Channel Mixing and Muting (ATAPI)
Default = 01001 - AOUTAx=aL, AOUTBx=bR (Stereo)
Function:
The CS4365 implements the channel-mixing functions of the ATAPI CD-ROM specification. The ATAPI
functions are applied per A-B pair. Refer to Table 9 and Figure 17 for additional information.
ATAPI4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
ATAPI3
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
ATAPI2
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
ATAPI1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
ATAPI0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
AOUTAx
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]
MUTE
MUTE
MUTE
Table 9. ATAPI Decode Table
AOUTBx
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]
MUTE
bR
bL
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DS670F2