CS7666 Datasheet, PDF (1/42 Pages) Cirrus Logic – DIGITAL COLOR-SPACE PROCESSOR FOR CCD CAMERAS

CS7666
Digital Color-Space Processor for CCD Cameras
Features
l ITU-601 Compliant Image Formatting
l ITU-656 and SMPTE-125/M Transport
l Provides Separate HREF and VREF (or
alternately HSYNC and VSYNC) Signals
l I²C Control Interface
l Limited Secondary I²C Bus Master
l Automatic White Balance
l Programmable Gamma Correction
l Programmable Interpolation
l Programmable Luma Gain and Saturation
Control
l Fully Programmable Color Separation Matrix
Coefficients
l Supports up to 1440, active pixels per line,
with no limitation on Vertical Size
l Pin and software compatible with the CS7665
l Programmable "Color Killer" circuit
l Highly integrated for low part count cameras
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Description
The CS7666 is a low-power Digital Color-Space Proces-
sor for CCD cameras. It provides all necessary digital
image processing for standard four-color interline trans-
fer CCD imagers. The CS7666 processes the magenta,
yellow, cyan, and green (MYCG) CCD imager data into
YCrCb formatted component digital video. Internal pro-
cessing includes color separation, automatic white
balance, user programmable gamma correction, pro-
grammable scaling (interpolation), and output
formatting. Also, a special "Color Killer" circuit eliminates
false colors during saturation. The digital output of the
CS7666 can be configured to comply with the ITU-601,
ITU-656 and SMPTE-125/M standards. Additionally,
HREF and VREF (or HSYNC and VSYNC) output pins
are provided to support older analog video encoders and
the current ZV-Port definition.
The CS7666 is designed to work directly with the
CS7615 CCD Imager Analog Processor, and is a drop in
replacement for the CS7665.
ORDERING INFORMATION
CS7666-KQ 0° to 70° C
(10 mm x 10 mm x 1.4 mm)
64-pin TQFP
CCD
DATA
DEFORMATTER
COLOR SEPARATION
AND ANITALIASING
WHITE
BALANCE
AWB
CONTROL
SECONDARY
I²C BUS
I²C INTERFACE
PRIMARY
I²C BUS
GAMMA
CORRECTION
REGISTER
BLOCK
SCALER
OUTPUT
FORMATTER
YCrCb
DATA
PLL AND
CLOCK DRIVER
OUTPUT
TIMING
VREF/VSYNC
HREF/HSYNC
XTAL
Preliminary Product Information
Cirrus Logic, Inc.
Crystal Semiconductor Products Division
P.O. Box 17847, Austin, Texas 78760
[phone] FAX: [phone]
http://www.crystal.com
This document contains information for a new product.
Cirrus Logic reserves the right to modify this product without notice.
Copyright © Cirrus Logic, Inc. 1998
(All Rights Reserved)
JUL ‘98
DS302PP1
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