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来源:百度文库 编辑:高考问答 时间:2024/05/03 15:38:49
AT89C51单片机双机并行通讯设计
摘要:介绍了在同一系统内,两AT89C51单片机之间采用单向并行通信接口、主从双向并行通信接口、无主从双向并行通信操作实现双机互连的方法,分析了在每一种通信接口工作方式下数据传送的特点。在三种并行通信接口为单片机应用系统扩充硬件资源的设计提供了新的途径。
关键词:单片机;并行通信;AT89C51

AT89C51 monolithic integrated circuit parallel communication design
abstract: Introduced in the identical system, between two AT89C51 monolithic integrated circuit uses the unidirectional parallel communication interface pci, the host from the bidirectional parallel communication interface pci, not advocates the method which interlocks from the bidirectional parallel communication operations realization, has analyzed under each correspondence connection work way the data transfer characteristic. Has provided the new way □key word in three kind of parallel communication interface pcis for the monolithic integrated circuit application system expansion hardware resources design: Monolithic integrated circuit; Parallel correspondence; AT89C51.