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GF9331 Datasheet

  • GF9331

  • DTV/SDTV Motion Co-processor

  • 31頁(yè)

  • GENNUM

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GF9331 HDTV/SDTV
Motion Co-processor
GF9331 Data Sheet
Features
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support for 10/8-bit HDTV/SDTV input video signals
seamless interface to Gennum's GF9330 high
performance de-interlacer through a filter control bus
multi-directional edge detection and control
support for multiplexed and non-multiplexed Y/C video
3-field vertical motion detection and control
fully configurable to support custom video modes
ability to extract HVF information from embedded TRS
seamless interface to popular ADCs and NTSC/PAL
decoders
user configuration through a dedicated host interface,
supporting parallel and serial interfaces
5V tolerant inputs
3.3V supply for device I/O and 2.5V for core logic
Device Overview
The GF9331 is a high performance motion
co-processor that is used in conjunction with Gennum's
GF9330 HDTV/SDTV 10-bit De-interlacer. Together,
the GF9331 and the GF9330 provide 10-bit broadcast
quality de-interlacing for standard and high-definition
video signals up to 1080p60.
Although the GF9330 can fully function as a stand alone
de-interlacer, the GF9331 provides added features in
the form of a filter selection control bus that enables
multi-directional edge and adaptive 3-field vertical
motion detection. Edge detection and interpolation
removes the edge artifacts that tend to occur while
de-interlacing on shallow horizontal edges while vertical
motion detection reduces motion artifacts.
Filter selection controls are sent to the GF9330 on a
pixel-by-pixel basis. The GF9331 integrates all the
necessary line delays for the motion and edge
detectors. The GF9331 also provides seamless
interfaces to off-chip SDRAMs that form the required
field delays.
Ordering Information
Part Number
GF9331-CBP
Applications
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HDTV Up/Down Converters
Production Equipment
Video Walls
Projection Systems
Plasma Displays
LCD TVs
Home Theatre Systems
HD DVD Players
Package
328 PIN BGA
Temp. Range
0
o
C to 70
o
C
Edge Detection
Y/C
Encoder
Control bus
to GF9330
Pre-filter
Vertical Motion
Detection
Delay
Y/C Delayed Video
to GF9330
External Memory Interface
Block Diagram
Proprietary and Confidential
18303 - 4
June 2004
1 of 31
www.gennum.com

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