參數資料
型號: GS1531-CB
廠商: Gennum Corporation
英文描述: GS1531 HD-LINX-TM II Multi-Rate Serializer
中文描述: GS1531的HD - LINX進程,商標第二多速率串行器
文件頁數: 24/49頁
文件大?。?/td> 500K
代理商: GS1531-CB
GS1531 Data Sheet
30573 - 4
July 2005
24 of 49
4.2.4 Parallel Input Clock (PCLK)
The frequency of the PCLK input signal required by the GS1531 is determined by
the input data format.
Table 4-1
below lists the possible input signal formats and
their corresponding parallel clock rates. Note that DVB-ASI input will always be in
10-bit format, regardless of the setting of the 20bit/10bit pin.
Table 4-1: Parallel Data Input Format
Input Data Format
DIN
[19:10]
DIN [9:0]
PCLK
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
HIGH
IMPEDANCE
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
HIGH
IMPEDANCE
148.5 or
148.5/
1.001MHz
LOW
LOW
HIGH
LOW
DVB-ASI MODE
10bit DVB-ASI
DVB-ASI
DATA
HIGH
IMPEDANCE
27MHz
HIGH
HIGH
LOW
HIGH
LOW
HIGH
LOW
HIGH
DATA-THROUGH MODE
20bit DEMULTIPLEXED SD
DATA
DATA
13.5MHz
HIGH
HIGH
LOW
LOW
10bit MULTIPLEXED SD
DATA
HIGH
IMPEDANCE
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
HIGH
IMPEDANCE
148.5 or
148.5/
1.001MHz
LOW
LOW
LOW
LOW
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