Abstract

Domestic science-grade CCD camera generally uses USB 2.0 and its transmission speed is low.Thus,transmission distance is relatively short.In this paper,a CCD camera based on gigabit ethernet interface is designed.A NIOS II soft core system is established by using Altera Company′s FPGA(Cyclone II series) as the control system,and a gigabit ethernet transmission system by using the physical layer chip and data link layer chip structure.The transmission speed of the system is up to 700 Mbit/s,and the transmission distance is up to 50 m,so the existing two problems of CCD camera can be overcome.

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