基于FPGA的千兆以太网通信板的设计与实现

Design and Realization of Gigabit Ethernet Adapter Based on FPGA

针对CPCI架构通用信号处理平台上利用系统自身以太网络接口实现数据传输效率低、扩展性差等问题,提出一种采用高速Link口基于FPGA上硬核PowerPC405的嵌入式千兆以太网通信实现方案,详细说明了以太网通信板卡的硬件和逻辑的实现,并分析了TCP/IP性能最大化的技术.

Aiming at the problem of low Gigabit Ethernet data transmission efficiency and poor expansibility of general signal processing platform base on CPCI system architectures,this paper uses Link port to realize Gigabit Ethernet data transmission system on embedded PowerPC405 hardware core in the FPGA.The implementations of Gigabit Ethernet data transmission adapter are described in detail.The technology of Ethernet data transmission base on TCP / IP to maximize performance is analyzed.