參數(shù)資料
型號： GS1503-CFZ
廠商： Gennum Corporation
元件分類： Codec
英文描述： HD EMBEDDED AUDIO CODEC
中文描述： 高清嵌入式音頻編解碼
文件頁數(shù)： 54/83頁
文件大小： 815K
代理商： GS1503-CFZ
15879 - 4
54 of 83
G
The audio control packet group DID for audio output
channels 1 to 4 is set in CTRIDA[1:0] bits 1-0 of Host
Interface register 02Fh. The audio control packet group DID
for audio output channels 5 to 8 is set in CTRIDB[1:0] bits
3-2 of Host Interface register 020h. Table 13 shows the 2-bit
Host Interface setting for the corresponding audio control
packet group DID.
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
NAME
DESCRIPTION
ADDRESS
BIT
SETTING
DEFAULT
ACPG4_DET
Audio group 4 control packet detection (1: Detection)
020
7
-
0
ACPG3_DET
Audio group 3 control packet detection (1: Detection)
6
-
0
ACPG2_DET
Audio group 2 control packet detection (1: Detection)
5
-
0
ACPG1_DET
Audio group 1 control packet detection (1: Detection)
4
-
0
Table 13: Audio Control Packet Group DID Host
Interface Settings
AUDIO
GROUP
10-BIT DATA
HOST INTERFACE
REGISTER SETTING (2-BIT)
1
1E3h
11b
2
2E2h
10b
3
2E1h
01b
4
1E0h
00b
Register Settings
NAME
DESCRIPTION
ADDRESS
BIT
SETTING
DEFAULT
CTRONA
Ch1-4 Audio control packet demultiplex enable
(1: Enabled)
02F
2
1
1
CTRIDA[1:0]
Ch1-4 Audio control packet DID set
1-0
See
Table 13
11b
AF_NOA[8:0]
Ch1-4 Audio frame number
030
031
0
7-0
0
RATEA[2:0]
Ch1-4 Sampling frequency data
032
3-1
-
0
ASXA
Ch1-4 Synchronization
(0: Synchronous; 1: Non-synchronous)
0
-
0
DEL1-2A[25:0]
Ch1/2 Delay data
033
034
035
036
1-0
7-0
7-0
7-0
-
0
DEL3-4A[25:0]
Ch3/4 Delay data
037
038
039
03A
1-0
7-0
7-0
7-0
-
0
RSRVA[17:0]
Ch1-4 Reserved words
03B
03C
03D
1-0
7-0
7-0
-
0
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