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文章介绍了1553B总线的特点,基于1553总线设计的嵌入式网络节点类型和网络结构。为实现嵌入式网络总线控制器的双机冗余,设计了备份总线控制器BBC,重点对BBC的工作方式选择和程序实现进行阐述。
The paper introduces the characteristics of 1553B bus, based on 1553 bus design of embedded network node type and network structure. In order to realize the dual redundancy of the embedded network bus controller, a backup bus controller BBC is designed, and the working mode selection and program implementation of the BBC are emphasized.