GS1503 Gennum Corporation, GS1503 Datasheet - Page 54
GS1503
Manufacturer Part Number
GS1503
Description
HD Embedded Audio Codec
Manufacturer
Gennum Corporation
Datasheet
1.GS1503.pdf
(82 pages)
- Current page: 54 of 82
- Download datasheet (2Mb)
Register Settings
When CASCADE is set LOW (external pin or register), the
GS1503 will default to audio groups 1 and 2, where audio
control packet data for channels 1 to 4 will be
demultiplexed from packets with group 1 DID, and audio
control packet data for channels 5 to 8 will be
demultiplexed from packets with group 2 DID.
Control packet data is accessible via the corresponding
registers in the Host Interface.
Register Settings
DEL1-2A[26:0]
DEL3-4A[26:0]
AF_NOA[8:0]
ACPG4_DET
ACPG3_DET
ACPG2_DET
ACPG1_DET
RSRVA[17:0]
CTRIDA[1:0]
RATEA[2:0]
CTRONA
NAME
NAME
ASXA
Audio group 4 control packet detection (1: Detection)
Audio group 3 control packet detection (1: Detection)
Audio group 2 control packet detection (1: Detection)
Audio group 1 control packet detection (1: Detection)
Ch1-4 Audio control packet demultiplex enable
(1: Enabled)
Ch1-4 Audio control packet DID set
Ch1-4 Audio frame number
Ch1-4 Sampling frequency data
Ch1-4 Synchronization
(0: Synchronous; 1: Non-synchronous)
Ch1/2 Delay data
Ch3/4 Delay data
Ch1-4 Reserved words
DESCRIPTION
DESCRIPTION
54
Table 13: Audio Control Packet Group DID Host
Interface Settings
GROUP
AUDIO
1
2
3
4
ADDRESS
ADDRESS
03C
03D
020
02F
030
031
032
033
034
035
036
037
038
039
03A
03B
10-BIT DATA
1E3h
2E2h
2E1h
1E0h
BIT
BIT
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
6
5
4
2
0
0
REGISTER SETTING (2-BIT)
SETTING
SETTING
Table 13
HOST INTERFACE
See
1
-
-
-
-
-
-
-
-
-
11b
10b
01b
00b
DEFAULT
DEFAULT
11b
15879 - 1
0
0
0
0
1
0
0
0
0
0
0
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