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Gennum - Scaling Processor

Numéro de référence GF9320
Description Scaling Processor
Fabricant Gennum 
Logo Gennum 





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GF9320 fiche technique
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Features
• broadcast quality 10 / 8-bit 24-tap poly-phase horizontal
and vertical scalar for HDTV / SDTV video images
• high performance 2D scaling processor with separate
control of horizontal and vertical scaling factors and pan
positions
• support for arbitrary video formats up to 2048 by 2048
• support for multiplexed and non-multiplexed Y/C video
• flexible 4:2:2 or 4:4:4 YCbCr or RGB output
• field merge / separation can be inserted / removed from
progressive images using interlaced I/O
• double banked control registers for 'on-the-fly' dynamic
effects
• external 3:2 / 2:2 pull-down insertion and extraction
• programmable output matrix with 6dB gain range
• film rate features include 1080p24 and 1080PsF support
• fully programmable colour background generator
• flexible F,V,H output and TRS insertion
• seamless interface to GF9330 de-interlacer
• seamless interface to common SDRAM
• user configuration through dedicated serial interface
• 3.3V supply
Description
The GF9320 Scaling Processor offers 10 / 8-bit
broadcast quality scaling of video images up to 2048 by
2048 pixels. The GF9320 supports arbitrary display
modes to fit custom applications. Dynamic zoom and
pan effects allow for a variety of aspect ratio conversion
GF9320
Scaling Processor
GF9320 Data Sheet
choices while a programmable colour background
generator can be customized to appropriately match the
image content. A fully programmable and flexible output
matrix allows for colour difference over-sampling, gain
and hue controls as well as YCbCr to RGB conversions
to power nearly any display device on the market.
The GF9320 also includes a vertical interpolation filter
to perform stand alone cost-sensitive de-interlacing.
Broadcast quality de-interlacing is offered through a
seamless interface to the GF9330 and GF9331 devices.
Applications
• HDTV Up / Down Converters
• Production Equipment
• Video Walls
• Projection Systems
• Plasma Displays
• LCD TVs
• Home Theatre Systems
• HD DVD Players
Ordering Information
Part Number
GF9320-CBW
Package
352 pin TBGA
Temp. Range
0oC to 70oC
YC/Y
C
Input
Processing
MUX
Horizontal
Scaling Filter
MUX
Input
Processing
G/Y/YC
B/Cb/C
R/Cr
CTRL
Control
Interface
MUX
External
Memory Interface 1
Vertical
Scaling Filter
External
Memory Interface 2
Block Diagram
Proprietary and Confidential 18090 - 7 November 2004
1 of 60
www.gennum.com

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