摘要： 基于ARINC664规范第7部分，提出符合该规范的基于FPGA的AFDX交换机整体设计方案及其核心交换芯片中关键模块的Verilog HDL实现，并通过功能仿真、时序仿真、网络仿真等手段对交换芯片的功能进行验证。实验结果证明，该交换芯片可为航空器中的数据通信设备提供有保障的基于以太网数据帧的交换通道，具有较高的交换性能及稳定性。

关键词: 全双工交换式以太网(AFDX), 现场可编程门阵列, 虚链路

Abstract: Based on the analysis of ARINC664 specification part 7, this paper provides a solution of AFDX switch and key modules of switch chip using FPGA and Verilog HDL description are presented as well. The scheme has past functional, timing and networks simulation. Experimental result shows that this chip can provide guaranteed data communication channels based on switched Ethernet frames, also has high performance and stability.

Key words: AFDX, FPGA, virtual link

中图分类号: 

• TP393.05