10-Bit, Camera Electronics Chip-Set following information based t

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CS7615 CS7665
10-Bit, Camera Electronics Chip-Set
following information based technical datasheets: CS7615 DS231PP4 MAY'97 CS7665 DS232PP5 MAY'97 Please contact Cirrus Logic Crystal Semiconductor Products Division further information.
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Copyright Cirrus Logic, Inc. 1997 (All Rights Reserved)
PI231PP1/PI232PP1
CS7615
Features
CS7615: Imager Analog Processor CS7615
Features
10-Bit Converter Multi-Sync Timing Generator,
handles imagers 1000 pixels wide
Integrated Correlated Double Sampler 38dB Automatic Analog Gain Control 90dB Total Gain Adjust Range Closed-Loop "Fuzzy" AGC/Exposure Code Black Level Clamp Control 4-Phase Vertical Timing Signals Buffer Amplifier Required Master Clock Crystal Controlled
Description
CS7615 low-power Analog front-end processor standard fourcolor interline transfer imagers. architecture includes correlated double sampler, amplifier, black-level clamp, 10-Bit converter, complete multi-sync timing generator. analog imager output directly connected CS7615 input, which does require external buffer amplifier. pixel data double sampled improved noise performance, gain adjusted prior being digitized converter. Feedback from converter holds image black level code-16
PI231PP1/PI232PP1
CS7615
Overview
(assumes 8-bit data path), easing ITU-601 compliance issues. multi-sync timing generator programmed bus, used with wide range interline transfer imagers 1000 pixels wide. CS7615 supports full ITU-601 compliance images pixels wide, compatible with both NTSC timing. CS7615 designed used along with CS7665 Digital Color-Space Processor Cameras, which generates 4:2:2 component digital video output.
Output
CDS/AGC
Converter
Output Formater
Data
Black Level Controller Timing Generator Master Clock Register Block
Clocks
CS7615
Timing Signals
Overview
CS7615 performs analog functions four chip digital Camera. four main chips include imager, CS7615 digitizer, CS7665 color space processor, vertical drive interface-chip imager. Several imagers (and their associated vertical drivers) used with CS7615 digitizer CS7665 processor form simple cost-effective YCrCb output format digital camera.
PI231PP1/PI232PP1
CS7665
Features
CS7665: Digital Color-Space Processor Cameras CS7665
Features
ITU-601 Compliant Image Formatting ITU-656 SMPTE-125/M Transport Provides Separate HREF VREF alternately
VSYNC) Signals
Control Interface Limited Secondary Master Automatic White Balance Programmable Gamma Correction Square-Pixel Interpolation Advanced Color Anti-Aliasing Filter Programmable Luma Gain Saturation Control Fully Programmable Color Separation Matrix Coefficients Supports Images 1024 pixels wide, with limitation
Vertical Size Description
CS7665 low-power Digital Color-Space Processor cameras. provides necessary digital image processing standard four-color interline transfer imagers. CS7665 processes MYCG imager data into YCrCb formatted component digital video. Internal processing
PI231PP1/PI232PP1
CS7665
Overview
includes color separation, automatic white balance, user programmable gamma correction curves, square pixel interpolation, output formatting. CS7665 employes advanced color anti-aliasing filter which prevents both incorrect color "color noise" that undermine compression based systems. CS7665 digital output ITU-601 compliant supports both ITU656 SMPTE-125/M transport. Additionally, HREF VREF VSYNC) output pins provided support older analog video encoders current ZV-Port definition. CS7665 support horizontal line widths 1024 pixels. limitations number lines support vertical direction. CS7665 designed work directly with CS7615 Imager Analog Processor.
Data
Deformatter
Color Separation
White Balance
Control
CS7665
Gamma Correction
Square Pixel Interpolarion
Output Formatter
YCrCb Data
Secondary
Interface
Register Block
Clock Driver
VREF/VSYNC HREF
Master Clocks
Overview
CS7665 forms heart four chip digital Camera. four chips include imager, CS7615 digitizer, CS7665 color space processor, vertical drive interface-chip imager. Most fourphase imagers (and their associated vertical drives) used with
PI231PP1/PI232PP1
CS7615 CS7665
FAQs
CS7615 digitizer CS7665 processor form simple cost-effective YCrCb output format digital camera. CS7615 CS7665 together support imager formats ranging from 175x175 pixels 1000x1000 pixels. Timing control located CS7615 analog processor, while CS7665 synchronizes itself CS7615 data stream decoding timing queues embedded CS7615 data stream. Alternately, CS7665 accepts horizontal vertical timing signals inputs.
CS7615 CS7665
FAQs
What applications this solution? What markets, high/low end, will address? first camera electronics chipset will address industrial applications such security, medical imaging, dental endoscopic cameras, from traffic monitoring down baby monitors doorbell security. This chipset will address price structures industrial applications from high end. Will there follow-on products this family? What timeline these products? Yes. This will family products that will address growing number video interfaces that emerging today. However, cannot comment products that have been announced. competitors this product, their products compare? Many large Japanese companies such Sony, Sharp, etc. integrate their cameras with camera electronic chipsets. While compete with their current solutions, long believe that delivers more cost-effective chipset process electronics. Thus, competitors this segment also become partners, especially cost sensitive applications.
PI231PP1/PI232PP1
CS7615 CS7665
FAQs
Isn't considered technology imaging devices? Will there market cameras? provides much better noise performance over other types imagers. cameras perform better light conditions have superior image quality that will continue drive professional applications such endoscopic other medical imaging cameras. Aren't CMOS imaging chips superior imaging devices? necessarily. depends application. CMOS imagers good office lighting environments brightly areas. imagers better choice light conditions where devices such high-end security systems must operate. More visual details available viewer this situation. What tradeoffs between CMOS imaging chips compared devices? coexistence awhile based application operating conditions. Besides bright light/low light considerations, designer will look power dissipation, integration cost. CCDs require more design work power supply power dissipation could issue. CMOS chips more cost effective therefore hold promise highly-integrated single-chip camera. downside, CMOS won't pass image quality test with CCDs anytime soon. believe professional applications probably going stick with CCDs now, with many cost-sensitive applications utilizing CMOS technology. does imaging technology enable such cost devices that can, turn, equate very competitively priced product? Cirrus Logic's, Crystal Semiconductor Products Division good lowcost manufacturing capabilities that certainly play pricing role product such this. Additionally, entire camera subsystem chip designer doesn't need architect elaborate system; doesn't need extra support chips make work. We've done most design work devices.
PI231PP1/PI232PP1
CS7615 CS7665
FAQs
does this solution achieve image quality does this compare other products market? Crystal implemented on-chip antialiasing filters which many cases eliminate need external low-pass filter block. also, 10-bit converter image processing convert analog data digital. then variable width processing channel ensure that there's truncation imaging data. What simple about designing with CS7615/7665? have combined many functions into chipset that would have required several support chips, e.g. crystals, filters, etc. doing this, have reduced design time necessary from months matter hours.
PI231PP1/PI232PP1
CS7615 CS7665
Ordering Information Ordering Information
CS7615-KQ CS7665-KQ +70°C, 44-pin TQFP +70°C, 64-pin TQFP
have questions, please contact undersigned phone email. Also, visit website "www.crystal.com" call literature department (800) 888-5016 ext. 3594 (512) 912-3594 data sheets application notes.
PI231PP1/PI232PP1
Sales Office Applications Support
UNITED STATES Sales Office Applications Support: WESTERN AREA Cirrus Logic, Inc. Crystal Semiconductor Div. Airport Pkwy. Jose, 95110 408-437-7743 FAX: 408-437-4943
Cirrus Logic, Inc. Crystal Semiconductor Div. Venture, Ste. Irvine, 92718 714-453-5910 FAX: 714-453-5914
EUROPE Sales Office Applications Support:
Cirrus Logic France Immeuble Andre Malraux 93561 Rosny Bois CEDEX, France +33(148)122812 FAX: +33(148)122810 Cirrus Logic, Inc. Crystal Semiconductor (UK) Ltd. Spectrum Point, Farnborough Rd., Farnborough, Hampshire GU14 7LS, United Kingdom +44(0)1252372762 FAX: +44(0)1252372763 Cirrus Logic GmbH Muehlfelder-Strasse D-82211 Herrsching, Germany +49(08152)92460 FAX: +49(08152)924699
KOREA Cirrus Logic, Korea Co., Ltd. 1302 SangKyung Bldg., 82421 YeokSam-Dong, KangNam-Ku, Seoul, Korea +82(2)565-8561 FAX: +82(2)565-8565 SINGAPORE Cirrus Logic, Inc. Crystal International Kaki Bukit Ave. Ste. 03-03 Singapore 417940 +65-749-4222 FAX: +65-742-4111 TAIWAN Cirrus Logic International Ltd. Taiwan Branch 10F, No.214 North Taipei, Taiwan R.O.C. +886(2)718-4533 FAX: +886(2)718-4526
CENTRAL AREA Cirrus Logic, Inc. Crystal Semiconductor Div. 14205 Burnet Rd., Ste. Austin, 78728 512-255-8893 FAX: 512-255-0733 EASTERN AREA Cirrus Logic, Inc. Crystal Semiconductor Div. 5511 Capital Center Dr., Ste. Raleigh, 27606 919-859-5393 FAX: 919-859-5334
Cirrus Logic, Inc. England Business Center, Ste. Andover, 01810 978-794-9138 FAX: 978-794-9998 Cirrus Logic, Inc. Crystal Semiconductor Div. 10440 Little Patuxent Pkwy., Ste. Columbia, 21044-3559 410-740-5654 FAX: 410-740-6961
JAPAN EAST Sales Office Applications Support: CHINA Cirrus Logic International Ltd. A-1403, Qiancun Commercial Mansion Beijing, China 100029 (8610)6443-0783 (8610)6443-0784 (8610)6443-0785 FAX: (8610)6443-0786 HONG KONG Cirrus Logic International Ltd. 1203 Park Tower Austin Rd., Tsimshatsui Kowloon, Hong Kong (852)2376-0801 FAX: (852)2375-1202
Sales Office Applications Support: Cirrus Logic K.K. Shinjuku Green Tower, Bldg. 6-14-1 Nishi-Shinjuku, Shinjuku-ku, Tokyo, Japan +81(03)3340-9111 FAX: +81(03)3340-9120
ABOVE CONTACT INFORMATION LAST UPDATED 10/16/97
CRYSTAL SEMICONDUCTOR PRODUCTS DIVISION 17847 4210 INDUSTRIAL DRIVE AUSTIN, TEXAS 78744 512.445.7222 800.888.5016 FAX: 512.445.7581 WORLDWIDE WEB: http://www.crystal.com

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