Pins and internal register function of real time clock DS14287made in DALLAS are introduced in this article. Together with the hardware circuitdiagramof real time clock in the queue system,the usage and program method of DS14287are introduced in detail.

 
  • 介紹了DALLAS公司的實(shí)時(shí)時(shí)鐘芯片DS14287的引腳功能及片內寄存器 ,并結合該時(shí)鐘芯片在排隊機系統中的硬件電路 ,詳細說(shuō)明了DS14287的電路設計及編程方法。
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