基于AT89C51控制的电子万年历系统设计

The Design of Electronical Perpetual Calendar Based on AT89C51

本文通过对电子万年历来源和普及的分析,提出了基于AT89C51单片机控制的电子万年历系统的电路原理设计,介绍了电路中使用的核心芯片DS1302,并且对本系统的设计进行了较为完整的分解,最后对本系统需要完善的地方进行了补充和说明。

Through the analysis to the origin and widespread of electronical Perpetual calendar, the circuit principle of the electronical perpetual calendar is put forward in this article, the core chip DS1302 is intro- duced and the system＇s design is given a thorough decomposition in this article. The supplementary adding and explanation is given to complete the system.