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參數(shù)資料
| 型號(hào)： | CS7666 |
| 廠商： | Cirrus Logic, Inc. |
| 英文描述： | DIGITAL COLOR-SPACE PROCESSOR FOR CCD CAMERAS |
| 中文描述： | 數(shù)字色彩空間CCD相機(jī)處理器 |
| 文件頁數(shù)： | 1/42頁 |
| 文件大小： | 676K |
| 代理商： | CS7666 |
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Preliminary Product Information
This document contains information for a new product.
Cirrus Logic reserves the right to modify this product without notice.
1
Copyright
Cirrus Logic, Inc. 1998
(All Rights Reserved)
Cirrus Logic, Inc.
Crystal Semiconductor Products Division
P.O. Box 17847, Austin, Texas 78760
(512) 445 7222 FAX: (512) 445 7581
http://www.crystal.com
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
I
2
C Control Interface
l
Limited Secondary I
2
C 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
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),
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.
and
output
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
(10 mm x 10 mm x 1.4 mm)
0° to 70° C
64-pin TQFP
I
DEFORMATTER
COLOR SEPARATION
AND ANITALIASING
WHITE
BALANCE
AWB
CONTROL
GAMMA
CORRECTION
SCALER
OUTPUT
FORMATTER
I
2
C INTERFACE
REGISTER
BLOCK
PLL AND
CLOCK DRIVER
OUTPUT
TIMING
YCrCb
DATA
VREF/VSYNC
HREF/HSYNC
XTAL
PRIMARY
I
C BUS
SECONDARY
I
2
C BUS
CCD
DATA
JUL ‘98
DS302PP1
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