Facing the requirements of the new generation avionics system for high bandwidth 、high reliability and low time delay,also supporting fiber channel protocol apply in avionics system,meeting the needs of FC network construction,adopt shared memory architecture to designed and implemented a FC switch,for high-speed bus module,real-time task scheduling module and PCIE module are designed in detail.Simulation of key real-time task scheduling module turn out that designed switch can meet the demand of scheduling based on priority real-time tasks.%面对新一代航电系统对高带宽、高可靠、低延时的要求,为支持光纤通道协议在航电系统中的应用,满足FC网络构建的需求,采用共享存储结构,设计实现了一种FC交换机,同时对轮询调度高速总线模块、实时任务调度模块、PCIE模块进行详细设计.对关键的实时任务调度模块仿真,结果表明,设计的交换机可以满足对基于优先级实时任务的调度需求.
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