本例程主是以89C52单片机和DS1302、DS18B20、LCD1602液晶屏组成的成年历。本例程序来自单片机教程网：http://www.mcujc.com-The master of this routine is of 89C52 and DS1302, DS18B20, the LCD1602 LCD screen into a calendar. This case, the program comes from the microcontroller tutorial: http: