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Research of the Multi-Line Array CCD Data Acquisition Based on the Chip of TMS320DM642

Author: GeDongSheng
Tutor: YuanFeng
School: Harbin Institute of Technology
Course: Instrument Science and Technology
Keywords: Charge-coupled device TMS320DM642 Hardware system Complex Programmable Logic Devices
CLC: TP274.2
Type: Master's thesis
Year: 2011
Downloads: 61
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Abstract


Charge-coupled device ( CCD ) as a high-performance semiconductor photoelectric conversion device , a large number of related products used in industrial , military , civil and other industries . Simple structure, low cost , fast scanning , frequency response higher outstanding advantages CCD widely used in attitude measurement of space objects . The high-precision , real-time and portability is an important consideration in the system design issues, this paper, based on analysis of the development situation of the domestic and international linear CCD , for existing systems , the production of TI's TMS320DM642 DSP chip as the core processor , designed TMS320DM642 - based multi-line CCD data acquisition system . TMS320DM642 is a high-performance digital media processor , and its ability to provide a strong guarantee for the real-time measurement of up to 720 megabytes of frequency and processing data . The focus of the research is based on the design of the the TMS320DM642 Multi-line CCD data acquisition system hardware system , the design of the entire system consists of three parts : the first part is based on the the TMS320DM642 processor core production core board , the processor interface leads for use in subsequent sections ; second part is the design of the CCD driver module , the core driver module is a complex programmable logic device ( CPLD ) ; third part is the design of high-precision a / D conversion module , the CCD output to convert analog signals into digital signals fed to the core processor for subsequent data processing . The hardware system circuit design , debugging success on the basis of preparation of the whole system needed to run the software , including the preparation and core processor CCD drive signal , sync signal processing part of the software writing .

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CLC: > Industrial Technology > Automation technology,computer technology > Automation technology and equipment > Automation systems > Data processing, data processing system > Data collection and processing systems
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