DS1302读写程序。功能：向串口调试工具输入b，窗口立刻显示从DS1302读出的时间值。用户只需更改管脚定义，即可在自己的板子上运行。该程序在STC12C5A56S2单片机上已通过硬件调试，晶振24M。-DS1302 to read and write procedures. Features: Serial debugging tools to enter b, window display immediately read out from the DS1302 time value. U