GS1503B Gennum Corporation, GS1503B Datasheet - Page 49

• Manufacturer Part Number: GS1503B
• Description: Hd Embedded Audio Codec
• Manufacturer: Gennum Corporation

Table 4-33: Multiplex Mode Host Interface Registers (Continued)
Control
Item
Audio
Control
Packet
DEL1-2B[25:0]
DEL3-4B[25:0]
AF_NOB[8:0]
RSRVB[17:0]
CTRIDB[1:0]
RATEB[2:0]
CTRONB
CTRONA
Name
ASXB
RSV
RSV
Description
Not used.
Ch5-8 audio control packet multiplex enable.
When set HIGH, the audio control packets for
audio channels 5 to 8 will be multiplexed into the
Luma channel of the video data stream.
Ch5-8 audio control packet DID setting.
Designates the audio control packet DID for audio
channels 5 to 8. See
setting is audio group 2.
Ch5-8 audio frame number. Designates the audio
frame number for audio channels 5 to 8. Will be
multiplexed into the audio control packet as per
SMPTE 299M.
Ch5-8 sampling frequency set. Designates the
audio sampling frequency for audio channels 5 to
8. Will be multiplexed into the RATE word of the
audio control packet as per SMPTE 299M. The
default setting is 48kHz.
Ch5-8 synchronization set. When set HIGH, the
"asx" bit of the audio control packet RATE word
designates audio channels 5 to 8 as
asynchronous, as per SMPTE 299M. When set
LOW, the "asx" bit of the audio control packet
RATE word designates synchronous audio
(default setting).
Ch5/6 delay data. Designates the accumulated
audio processing delay relative to video for audio
channels 5 and 6. Will be multiplexed into the
audio control packet as per SMPTE 299M.
Ch7/8 delay data. Designates the accumulated
audio processing delay relative to video for audio
channels 7 and 8. Will be multiplexed into the
audio control packet as per SMPTE 299M.
Ch5-8 reserve words. Designates the value set in
the RSRV words of the audio control packet for
audio channels 5 to 8, as per SMPTE 299M.
NOTE: As these words are reserved for future
use, they should be set to zero.
Not used.
Ch1-4 audio control packet multiplex enable.
When set HIGH, the audio control packets for
audio channels 1 to 4 will be multiplexed into the
Luma channel of the video data stream.
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Table
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02C
02D
020
020
020
021
022
023
023
024
025
026
027
028
029
02A
02B
02E
02F
02F
Bit
GS1503B Data Sheet
7-3
1-0
7-0
3-1
1-0
7-0
7-0
7-0
1-0
7-0
7-0
7-0
1-0
7-0
7-0
7-3
2
0
0
2
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
–
–
Default
49 of 88
10b
0
1
0
0
0
0
0
0
0
1