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《Video Engineering》 2012-19
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Design of CCD Timing Generator and Real-time Data Processing System Based on Time-division Multiplexing

LI Hua(Shangluo University,Shaanxi Shangluo 726000,China)  
Driving schedules of CCD 42-80 Back Illuminated AIMO manufactured by e2v are examined and designed.One CCD-data processing system which improves the utility of hardware resource,obtains real-time image is designed.Exposure time adjustment is adopted to adapt the changeful observation environment.Based on time-division multiplexing technology combined with ping-pong operation and LiFo,high quality real-time image is obtained.One field programmable gate array(FPGA)is chosen as the hardware design platform,and the whole circuit is described with Verilog-HDL to perform the modularization design from top to bottom.When system clock is 64 MHz and image read clock is 200 kHz,experiments show that the driving circuit works normally and meets the design requirement.Furthermore,the system can export real-time and vivid images.It can satisfy the observation system requirements of CCD camera in imaging and data transmission.
【Fund】: 商洛学院科研基金资助项目(11SKY008)
【CateGory Index】: TN386.5;TP274
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