EPON测试仪中协议帧采集的FPGA设计与实现

Design and implementation of protocol frame acquisition for EPON analyzer based on FPGA

介绍了基于FPGA的EPON测试仪的硬件整体框架,提出了协议帧采集的解决方案,深入讨论了并行CRC8算法,重点分析了分类提取的方法,给出了数据封装的格式和方法。最后在Model si m软件上进行了仿真验证,结果表明设计方案稳定,效果良好。

It introduces the overall framework of EPON analyzer＇s hardware based on FPGA,and proposes the solutions about the protocol frame acquisition.It deeply discusses the CRC8 parallel algorithm,and analyzed the method of frame classification and extraction.It given the format and the method of frame encapsulation.Finally,it gives the simulation and verification in Modelsim.The results prove that the design is stable,good results has got in EPON analyzer applications.