CDB4383 View Datasheet(PDF) - Cirrus Logic
Part Name
Description
MFG CO.
'CDB4383' PDF : 40 Pages View PDF
CS4383
3.5 Invert control (address 05h)
7
INV_B4
0
6
INV_A4
0
5
INV_B3
0
4
INV_A3
0
3
INV_B2
0
2
INV_A2
0
1
INV_B1
0
3.5.1 INVERT SIGNAL POLARITY (INV_XX)
Default = 0
0 - Disabled
1 - Enabled
Function:
When enabled, these bits will invert the signal polarity of their respective channels.
0
INV_A1
0
3.6 Mixing Control Pair 1 (Channels A1 & B1)(address 06h)
Mixing Control Pair 2 (Channels A2 & B2)(address 09h)
Mixing Control Pair 3 (Channels A3 & B3)(address 0Ch)
Mixing Control Pair 4 (Channels A4 & B4)(address 0Fh)
7
Px_A=B
0
6
PxATAPI4
0
5
PxATAPI3
1
4
PxATAPI2
0
3
PxATAPI1
0
2
PxATAPI0
1
1
PxFM1
0
0
PxFM0
0
3.6.1 CHANNEL A VOLUME = CHANNEL B VOLUME (A=B)
Default = 0
0 - Disabled
1 - Enabled
Function:
The AOUTAx and AOUTBx volume levels are independently controlled by the A and the B Channel
Volume Control Bytes when this function is disabled. The volume on both AOUTAx and AOUTBx are
determined by the A Channel Attenuation and Volume Control Bytes (per A-B pair), and the B Chan-
nel Bytes are ignored when this function is enabled.
3.6.2 ATAPI CHANNEL MIXING AND MUTING (ATAPI)
Default = 01001 - AOUTAx=aL, AOUTBx=bR (Stereo)
Function:
The CS4383 implements the channel mixing functions of the ATAPI CD-ROM specification. The ATAPI
functions are applied per A-B pair. Refer to Table 3 and Figure 41 for additional information
20
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