GS1503 Gennum Corporation, GS1503 Datasheet - Page 52
GS1503
Manufacturer Part Number
GS1503
Description
HD Embedded Audio Codec
Manufacturer
Gennum Corporation
Datasheet
1.GS1503.pdf
(82 pages)
- Current page: 52 of 82
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Register Settings
2.6.7 Audio Data Packet DID Setting
The audio group DID for audio output channels 1 to 4
(AOUT1/2 and AOUT3/4) is set in DATAIDA[1:0] bits 1-0 of
Host Interface register 014h. The audio group DID for audio
output channels 5 to 8 (AOUT5/6 and AOUT7/8) is set in
DATAIDB[1:0] bits 3-2 of Host Interface register 014h. Table
12 shows the 2-bit Host Interface setting for the
corresponding audio group DID.
When CASCADE is set LOW (external pin or register), the
GS1503 will default to audio groups 1 and 2, where AOUT1/
2 and AOUT3/4 will be demultiplexed from audio data
packets with group 1 DID, and AOUT5/6 and AOUT7/8 will
be demultiplexed from audio data packets with group 2
DID.
Register Settings (CASCADE set LOW)
When CASCADE is set HIGH (external pin or register), the
GS1503 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.
Register Settings (CASCADE set HIGH)
ADPCSB_ERR
ADPCSA_ERR
ADPB8B_ERR
ADPB8A_ERR
DATAIDA[1-0]
DATAIDB[1-0]
DATAIDA[1-0]
DATAIDB[1-0]
DBNB_ERR
DBNA_ERR
NAME
NAME
NAME
Ch5-8 Audio data packet DBN error detection
(1:Detection)
Ch5-8 Audio data packet bit8 error detection
(1:Detection)
Ch5-8 Audio data packet CS error detection
(1:Detection)
Ch1-4 Audio data packet DBN error detection
(1:Detection)
Ch1-4 Audio data packet bit8 error detection
(1:Detection)
Ch1-4 Audio data packet CS error detection
(1:Detection)
Ch1-4 Audio data packet DID setting
Ch5-8 Audio data packet DID setting
Ch1-4 Audio data packet DID setting
Ch5-8 Audio data packet DID setting
DESCRIPTION
DESCRIPTION
DESCRIPTION
52
Table 12: Audio Group DID Host Interface Settings
GROUP
AUDIO
1
2
3
4
ADDRESS
ADDRESS
ADDRESS
015
014
014
10-BIT DATA
2E7h
1E6h
1E5h
2E4h
BIT
BIT
1-0
3-2
BIT
1-0
3-2
7
6
4
3
2
0
REGISTER SETTING (2-BIT)
SETTING
SETTING
SETTING
Table 12
Table 12
HOST INTERFACE
See
See
-
-
-
-
-
-
11b
10b
01b
00b
DEFAULT
DEFAULT
DEFAULT
11b
10b
01b
00b
15879 - 1
0
0
0
0
0
0
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