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參數(shù)資料
| 型號(hào)： | 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(yè)數(shù)： | 53/83頁(yè) |
| 文件大小： | 815K |
| 代理商： | GS1503-CFZ |
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2.7 DEMULTIPLEX CASCADE MODE
Two GS1503 devices can be cascaded in parallel to allow
up to 16 channels of audio to be demultiplexed (only one
device requires CASCADE to be set HIGH). Figure 40
shows the cascade architecture for a 16-channel system. To
configure the GS1503 for cascade mode, the CASCADE
external pin or CASCADE bit 7 of Host Interface register
014h is set HIGH. When set HIGH, the GS1503 will default
to audio groups 3 and 4. When set LOW, the GS1503 will
default to audio groups 1 and 2.
Fig. 40 Demultiplexing 16 Channels of Audio using Cascade Architecture
2.8 AUDIO CONTROL PACKETS
2.8.1 Audio Control Packet Detection
The audio control packet detect registers will be set HIGH
when a corresponding audio group DID has been detected
in the Luma channel of the input video stream. Host
Interface register 020h, bits 7-4, report the individual audio
groups detected.
2.8.2 Audio Control Packet DID Setting
To demultiplex audio control packets for audio channels 1
to 4 (AOUT1/2 and AOUT3/4), the CTRONA bit 2 of Host
Interface register 02Fh is set HIGH. To demultiplex audio
control packets for audio channels 5 to 8 (AOUT5/6 and
AOUT7/8), the CTRONB bit 2 of Host Interface register
020h is set HIGH.
Register Settings
NAME
DESCRIPTION
ADDRESS
BIT
SETTING
DEFAULT
CASCADE
Cascade enable (1: Enabled)
014
7
1
0
Y/Cb/Cr[19:0]
VIN[19:0]
AOUT5/6
GS1503
AOUT7/8
Audio Channels 1 & 2
Audio Channels 3 & 4
Audio Channels 5 & 6
Audio Channels 7 & 8
CASCADE
VOUT[19:0]
Audio
Group 1
Audio
Group 2
AOUT1/2
AOUT3/4
Y/Cb/Cr[19:0]
VIN[19:0]
AOUT5/6
GS1503
AOUT7/8
Audio Channels 9 & 10
Audio Channels 11 & 12
Audio Channels 13 & 14
Audio Channels 15 & 16
CASCADE
VOUT[19:0]
Audio
Group 3
Audio
Group 4
AOUT1/2
AOUT3/4
Y/Cb/Cr[19:0]
+3.3V
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相關(guān)代理商/技術(shù)參數(shù) |
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| GS1504 | 制造商:GENNUM 制造商全稱:GENNUM 功能描述:HDTV Adaptive Equalizer |
| GS1504_04 | 制造商:GENNUM 制造商全稱:GENNUM 功能描述:HDTV Adaptive Equalizer |
| GS1504-CKD | 制造商:Rochester Electronics LLC 功能描述: 制造商:Gennum Corporation 功能描述: |
| GS1504-CKDE3 | 制造商:Gennum Corporation 功能描述:High Performance Cable Equalizer 16-Pin SOIC N |
| GS1504-CTD | 制造商:GENNUM 制造商全稱:GENNUM 功能描述:HDTV Adaptive Equalizer |
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