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CS7654 Fiches technique(PDF) 1 Page - Cirrus Logic |
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CS7654 Fiches technique(HTML) 1 Page - Cirrus Logic |
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1 / 62 page  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. P.O. Box 17847, Austin, Texas 78760 (512) 445 7222 FAX: (512) 445 7581 http://www.crystal.com CS7654 CCD Color-Space Processor with Analog Output Features l ITU-601 Compliant Image Formatting l ITU-656 and SMPTE-125/M Transports 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 Programmable "Chroma Kill" circuit l Highly integrated for low part count cameras l Three DACs providing simultaneous composite, S-video outputs l Multi-standard support for NTSC-M, NTSC- JAPAN, PAL (B, D, G, H, I, M, N, Combination N) l On-chip voltage reference generator modes, tri- state DACs and power down mode. Description The CS7654 is a low-power Digital Color-Space Proces- sor for CCD cameras. It provides all the necessary digital image processing for standard four-color interline trans- fer CCD imagers. The CS7654 processes the magenta, yellow, cyan, and green (MYCG) CCD imager data into YCrCb formatted component digital video and into ana- log PAL or NTSC. Internal processing includes color separation, automatic white balance, user programma- ble gamma correction, programmable scaling (interpolation), digital output formatting and encoding function for analog output. Also, a special "Chroma Kill" circuit eliminates false colors during saturation. Video output can be formatted to be compatible with NTSC-M, NTSC-J, PAL-B,D,G,H,I,M,N, and Combination N sys- tems. Closed Caption is supported in NTSC. Three 10- bit DACs provide two channels for an S-Video output port and one composite video outputs.A High-speed I2C compatible control interface is provided for in system design. A general purpose I/O port is also available to help con- serve valuable board space and to provide up to eight “boot” configurations.The CS7654 is designed to work directly with the CS7615 CCD Imager Analog Processor. ORDERING INFORMATION CS7654-KQ 0° to 70° C 64-pin TQFP (10 mm x 10 mm x 1.4 mm) I DEFORMATTER COLOR AND WHITE BALANCE AWB CONTROL GAMMA CORRECTION SCALER OUTPUT FORMATTER I2C INTERFACE REGISTER PLL AND EXTERNAL BLOCK CLOCK TIMING CHROMA VREF/ HREF/ XTAL PRIMARY I2C BUS SECONDARY I2C BUS CCD SEPARATION ANITALIASING VIDEO FORMATTER VSYNC HSYNC INTERPOLATION AND FILTER INTERPOLATION AND DELAY CHROMA LUMA 10-BIT DAC COMPOSITE 10-BIT DAC LUMA 10-BIT DAC Σ MOSAIC DATA DRIVER MAY ‘99 DS330PP2 |
Numéro de pièce similaire - CS7654 |
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Description similaire - CS7654 |
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