參數(shù)資料
型號(hào)： GS1503-CFZ
廠商： Gennum Corporation
元件分類(lèi)： 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(yè)數(shù)： 26/83頁(yè)
文件大?。?/td> 815K
代理商： GS1503-CFZ
15879 - 4
26 of 83
G
When CASCADE is set HIGH (external pin or register), the
GS1503 will default to audio groups 3 and 4, where AIN1/2
and AIN3/4 will be multiplexed with audio group 3 DID, and
AIN5/6 and AIN7/8 with audio group 4 DID.
1.7.3 Audio Channel Multiplex Enable
Multiplexing of individual audio channels is enabled using
the CHACT[7:0] bits 7-0 of Host Interface register 013h.
When set HIGH, the corresponding audio channel is
multiplexed into the audio data packet in the Chroma video
data stream. CHACT7 corresponds to audio input channel 8
and CHACT0 corresponds to audio input channel 1. When
all bits are set LOW, no audio data packets will be
multiplexed and the GS1503 will be in bypass mode.
Table 5: Audio Data Packet Group DID Host
Interface Setting
AUDIO
GROUP
10-BIT DATA
HOST INTERFACE
REGISTER SETTING (2-BIT)
1
2E7h
11b
2
1E6h
10b
3
1E5h
01b
4
2E4h
00b
Register Settings (CASCADE set LOW)
NAME
DESCRIPTION
ADDRESS
BIT
SETTING
DEFAULT
DATAIDA [1-0]
Ch1-4 Audio data packet DID setting
014
1-0
See
Table 5
11b
DATAIDB [1-0]
Ch5-8 Audio data packet DID setting
3-2
10b
Register Settings (CASCADE set HIGH)
NAME
DESCRIPTION
ADDRESS
BIT
SETTING
DEFAULT
DATAIDA [1-0]
Ch1-4 Audio data packet DID setting
014
1-0
See
Table 5
01b
DATAIDB [1-0]
Ch5-8 Audio data packet DID setting
3-2
00b
Register Settings
NAME
DESCRIPTION
ADDRESS
BIT
SETTING
DEFAULT
CHACT7
Ch8 multiplex enable (1: Enabled)
013
7
-
1
CHACT6
Ch7 multiplex enable (1: Enabled)
6
1
CHACT5
Ch6 multiplex enable (1: Enabled)
5
1
CHACT4
Ch5 multiplex enable (1: Enabled)
4
1
CHACT3
Ch4 multiplex enable (1: Enabled)
3
1
CHACT2
Ch3 multiplex enable (1: Enabled)
2
1
CHACT1
Ch2 multiplex enable (1: Enabled)
1
1
CHACT0
Ch1 multiplex enable (1: Enabled)
0
1
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