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本设计采用SOPC技术设计一个八端口10M/100M白适应以太网交换机。在文中阐述了系统平台的硬件设计及主要单元模块的功能,并对FPGA内部程序设计的主要思想和数据流程作了较详细介绍。测试结果表明该交换机达到了性能要求。设计中采用了高性能以太网交换机芯片和控制芯片,具有很高的的可靠性和实时性,能满足接入层交换机的要求并能在恶劣环境中长期、稳定的工作。
The design uses SOPC technology to design an eight-port 10M / 100M white adaptation Ethernet switch. In this paper, the hardware design of the system platform and the functions of the main unit modules are described. The main ideas and data flow of FPGA internal programming are introduced in detail. The test results show that the switch has reached the performance requirements. The design uses high-performance Ethernet switch chip and control chip, with high reliability and real-time, to meet the requirements of access layer switches and harsh environments in the long-term, stable work.