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代码说明：
说明： 本次设计中使用的单片机是STC89C52,为了程序编写时更加简单明了，使用C语言进行程序编写，用KEIL软件进行编译。软件设计有主程序的流程图、DS1302计时程序设计、LCD1602显示程序设计、主程序设计等。介绍了各部分的流程图，并根据软件流程图的执行过程设计了程序。主程序流程图介绍了软件设计的全过程。DS1302流程图介绍了时钟芯片(The MCU used in the design is STC89C52, in order to write the program more simple and clear, the use of C language for programming, with KEIL software for compilation.Software design has the flow chart of the main program, DS1302 timing program design, LCD1602 display program design, main program design.The flow chart of each part is introduced, and the program is designed according to the execution process of the software flow chart.Main program flow chart introduces the whole process of software design.DS1302 flow chart introduces the clock chip)
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