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提出一种通过对实时时钟电路的分时操作实现通信的双单片机系统的结构 ,给出了公共总线结构和通信协议 ,该方案可以扩展为多单片机系统。
The structure of a two-chip microcomputer system that realizes communication by time-sharing operation of a real-time clock circuit is proposed. A common bus structure and a communication protocol are given. The scheme can be extended to a multi-chip microcomputer system.