该压缩文件为在51单片机下的DS1302模块的驱动代码，亲测可用，如果是移植到51单片机最小系统板上，需要修改对应的引脚(The compressed file is the driving code of the DS1302 module under the 51 microcontroller. It can be used to pro test. If it is transplanted to the smallest system board of the 51 microcont