參數(shù)資料
型號(hào): GS1560A
廠商: Gennum Corporation
英文描述: GS1560A/GS1561 HD-LINX-R II Dual-Rate Deserializer
中文描述: GS1560A/GS1561的HD - LINX進(jìn)程- R的第二雙率解串器
文件頁數(shù): 67/80頁
文件大小: 842K
代理商: GS1560A
GS1560A/GS1561 Data Sheet
27360 - 8
September 2005
67 of 80
As described in
Data Through Mode on page 46
, the data bus outputs will be
forced to logic LOW if the device is set to operate in master mode but cannot
identify SMPTE TRS ID or DVB-ASI sync words in the input data stream.
3.11.5 Parallel Output Clock (PCLK)
The frequency of the PCLK output signal of the GS1560A/GS1561 is determined
by the output data format.
Table 3-16
below lists the possible output signal formats
and their corresponding parallel clock rates. Note that DVB-ASI output will always
be in 10-bit format, regardless of the setting of the 20bit/10bit pin.
Table 3-16: Parallel Data Output Format
Output Data Format
DOUT
[19:10]
DOUT
[9:0]
PCLK
Status / Control Signals*
20bit/
10bit
SD/HD
SMPTE_BYPASS
DVB_ASI
SMPTE MODE
20bit DEMULTIPLEXED SD
LUMA
CHROMA
13.5MHz
HIGH
HIGH
HIGH
LOW
10bit MULTIPLEXED SD
LUMA /
CHROMA
FORCED
LOW
27MHz
LOW
HIGH
HIGH
LOW
20bit DEMULTIPLEXED HD
LUMA
CHROMA
74.25 or
74.25/
1.001MHz
HIGH
LOW
HIGH
LOW
10bit MULTIPLEXED HD
LUMA /
CHROMA
FORCED
LOW
148.5 or
148.5/
1.001MHz
LOW
LOW
HIGH
LOW
DVB-ASI MODE
10bit DVB-ASI
DVB-ASI
DATA
FORCED
LOW
27MHz
HIGH
HIGH
LOW
HIGH
DVB-ASI
DATA
FORCED
LOW
27MHz
LOW
HIGH
LOW
HIGH
DATA-THROUGH MODE**
20bit DEMULTIPLEXED SD
DATA
DATA
13.5MHz
HIGH
HIGH
LOW
LOW
10bit MULTIPLEXED SD
DATA
FORCED
LOW
27MHz
LOW
HIGH
LOW
LOW
20bit DEMULTIPLEXED HD
DATA
DATA
74.25 or
74.25/
1.001MHz
HIGH
LOW
LOW
LOW
10bit MULTIPLEXED HD
DATA
FORCED
LOW
148.5 or
148.5/
1.001MHz
LOW
LOW
LOW
LOW
*NOTE1: Recall that SD/HD, SMPTE_BYPASS, and DVB_ASI are input control pins in slave mode to be set by the application layer, but are
output status signals set by the device in master mode.
**NOTE 2: Data-Through mode is only available in slave mode
Data Through Mode on page 46
.
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