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GS1582 Datasheet(PDF) 28 Page - Semtech Corporation

Part # GS1582
Description  Multi-Rate Serializer with Cable Driver, Audio Multiplexer and ClockCleaner
PDF  115 Pages
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Manufacturer  SEMTECH [Semtech Corporation]
Direct Link  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

GS1582 Datasheet(HTML) 28 Page - Semtech Corporation

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GS1582 Multi-Rate Serializer with Cable Driver, Audio
Multiplexer and ClockCleanerTM
Data Sheet
40117 - 4
December 2011
28 of 115
4.2.4 Parallel Input Clock (PCLK)
The frequency of the PCLK input signal required by the GS1582 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 the DVB-ASI input will only be in 10-bit
format, when setting the 20bit/10bit pin LOW.
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
20-bit DEMULTIPLEXED SD
LUMA
CHROMA
13.5MHz
HIGH
HIGH
HIGH
LOW
10-bit MULTIPLEXED SD
LUMA /
CHROMA
HIGH
IMPEDANCE
27MHz
LOW
HIGH
HIGH
LOW
20-bit DEMULTIPLEXED
HD
LUMA
CHROMA
74.25 or
74.25/
1.001MH
z
HIGH
LOW
HIGH
LOW
10-bit MULTIPLEXED HD
LUMA /
CHROMA
HIGH
IMPEDANCE
148.5 or
148.5/
1.001MH
z
LOW
LOW
HIGH
LOW
DVB-ASI MODE
10-bit DVB-ASI
DVB-ASI
DATA
HIGH
IMPEDANCE
27MHz
LOW
HIGH
LOW
HIGH
LOW
HIGH
LOW
HIGH
DATA-THROUGH MODE
20-bit SD
DATA
DATA
13.5MHz
HIGH
HIGH
LOW
LOW
10-bit SD
DATA
HIGH
IMPEDANCE
27MHz
LOW
HIGH
LOW
LOW
20-bit HD
DATA
DATA
74.25 or
74.25/
1.001MH
z
HIGH
LOW
LOW
LOW
10-bit HD
DATA
HIGH
IMPEDANCE
148.5 or
148.5/
1.001MH
z
LOW
LOW
LOW
LOW



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