本文简要介绍航空电子通信系统的层次结构和基于自主1553B协议芯片PC-MBI的硬件设计,针对所设计接口卡提出了一种基于VxWorks PC-MBI通信软件的设计实现方法。所设计的MBI通信软件完成传输层的功能,使接口卡具有智能性,减少了子系统主机的干预,符合航空电子工程要求。 关键字:航空电子通信系统;1553B总线;多路传输数据总线接口(MBI) Abstract : This paper introduces avionics communication system architecture and hardware design of PC-MBI based on self-made 1553B IP core. Design scheme of PC-MBI communication software based on VxWorks is presented. MBI software realizes function of transport layer, reduces the intervention of subsystem and meets avionics specifications. Key words : avionics communication system; MIL-STD-1553B; Mux Bus Interface
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