本文详细探讨了DS1302的读写过程，包括流程图设计，并以获得实时时间和修改实时时间为例写了C51与其之间的接口程序，有通用应用意义-This paper discusses the DS1302' s reading and writing process, including the flow chart design, and to obtain real time real time and modify the example to write an interface betw