GS1503BCVE2 GENNUM [Gennum Corporation], GS1503BCVE2 Datasheet - Page 67
GS1503BCVE2
Manufacturer Part Number
GS1503BCVE2
Description
HD Embedded Audio CODEC Data Sheet
Manufacturer
GENNUM [Gennum Corporation]
Datasheet
1.GS1503BCVE2.pdf
(90 pages)
- Current page: 67 of 90
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When CASCADE is set HIGH (external pin or register), the GS1503B will default to audio
groups 3 and 4, where AOUT1/2 and AOUT3/4 will be demultiplexed from audio data
packets with group 3 DID, and AOUT5/6 and AOUT7/8 will be demultiplexed from
audio data packets with group 4 DID.
Table 5-21: Register Settings (CASCADE set HIGH)
5.7 Demultiplex Cascade Mode
Two GS1503B devices can be cascaded in parallel to allow up to 16 channels of audio to
be demultiplexed (only one device requires CASCADE to be set HIGH).
shows the cascade architecture for a 16-channel system. To configure the GS1503B for
cascade mode, the CASCADE external pin or CASCADE bit 7 of Host Interface register
014h is set HIGH. When set HIGH, the GS1503B will default to audio groups 3 and 4.
When set LOW, the GS1503B will default to audio groups 1 and 2.
Figure 5-10: Demultiplexing 16 Channels of Audio using Cascade Architecture
GS1503B HD Embedded Audio CODEC
Data Sheet
37953 - 1
Name
DATAIDA[1-0]
DATAIDB[1-0]
Y/C b /C r [19:0]
December 2009
+3.3V
Description
Ch1-4 Audio data packet DID setting
Ch5-8 Audio data packet DID setting
VIN[19:0]
CASCADE
VIN[19:0]
CASCADE
GS1503B
GS1503B
VOUT[19:0]
VOUT[19:0]
AOUT1/2
AOUT3/4
AOUT5/6
AOUT7/8
AOUT1/2
AOUT3/4
AOUT5/6
AOUT7/8
Audio Channels 11 & 12
Audio Channels 13 & 14
Audio Channels 15 & 16
Audio Channels 9 & 10
Audio Channels 1 & 2
Audio Channels 3 & 4
Audio Channels 5 & 6
Audio Channels 7 & 8
Y/C b /C r [19:0]
Y/C b /C r [19:0]
Group 1
Group 2
Group 3
Group 4
Audio
Audio
Audio
Audio
Figure 5-10
Address
014
014
Bit
1-0
3-2
Table 5-19
Setting
See
Default
01b
00b
67 of 90
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