网络上有很多基于LCD1602的DS1302时钟程序，不是下载实现不了，就是太难懂得，本程序不但实现了DS1302的基本功能，而且易懂-There are many network based on the DS1302 clock LCD1602 procedures, rather than can not be downloaded, that is too difficult to understand that this process has not only the basic functions of the DS1302, and easy to understand