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GS2962 Datasheet(PDF) 30 Page - Semtech Corporation

Part # GS2962
Description  3G/HD/SD-SDI Serializer with Complete SMPTE Video Support
PDF  82 Pages
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Manufacturer  SEMTECH [Semtech Corporation]
Direct Link  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

GS2962 Datasheet(HTML) 30 Page - Semtech Corporation

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GS2962 3G/HD/SD-SDI Serializer with Complete
SMPTE Video Support
Data Sheet
48005 - 7
October 2010
30 of 82
The input data width is controlled by the setting of the 20BIT/10BIT pin as shown in
Table 4-2 above.
NOTE: When in HD 10-bit mode, asserting the SMPTE_BYPASS LOW to put the device
in SMPTE-BYPASS mode will create video errors. If the user desires to use the device as
a simple serializer in HD 10-bit mode, all video processing features may be disabled by
setting the IOPROC_EN/DIS pin LOW.
4.2.4 Parallel Input Clock (PCLK)
The frequency of the PCLK input signal of the GS2962 is determined by the input data
format and operating mode selection.
Table 4-3 below lists the input PCLK rates and input signal formats according to the
external selection pins for the GS2962.
Table 4-3: GS2962 PCLK Input Rates
Input Data Format
Pin Settings
PCLK Rate
20BIT/10BIT
RATE_
SEL0
RATE_
SEL1
SMPTE_
BYPASS
DVB-ASI
20-bit demultiplexed
3G format
HIGHLOW
HIGHHIGH
X
148.5 or 148.5/1.001MHz
20-bit demultiplexed
HD format
HIGH
LOW
LOW
HIGH
X
74.25 or 74.25/1.001MHz
20-bit data Input
3G format
HIGHLOW
HIGH
LOW
LOW
148.5 or 148.5/1.001MHz
20-bit data input
HD format
HIGH
LOW
LOW
LOW
LOW
74.25 or 74.25/1.001MHz
20-bit demultiplexed
SD format
HIGHHIGHX
HIGH
LOW
13.5MHz
20-bit data input
SD format
HIGHHIGH
X
LOW
LOW
13.5MHz
10-bit multiplexed
3G DDR format
LOW
LOW
HIGHHIGH
LOW
148.5 or 148.5/1.001MHz
10-bit multiplexed
HD format
LOW
LOW
LOW
HIGH
LOW
148.5 or 148.5/1.001MHz
10-bit data input
HD format
LOW
LOW
LOW
LOW
LOW
148.5 or 148.5/1.001MHz
10-bit multiplexed
SD format
LOW
HIGHX
HIGH
X
27MHz
10-bit data input
SD format
LOW
HIGH
X
LOW
LOW
27MHz
10-bit ASI input
SD format
LOW
HIGH
X
LOW
HIGH
27MHz



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