用51单片机控制实时时钟芯片DS1302，显示小时，分，钟，秒，天等-51 single-chip control with real-time clock chip DS1302, show hours, minutes, seconds, days, etc.

DS1302是一款功能强大的实时时钟芯片，本程序是在51单片机上实现DS1302功能-DS1302 is a powerful real-time clock chip, the process is to achieve single-chip microcomputer in 51 functional DS1302

个人学习ATMEGA8单片机应用及其仿真总结30例资料，基于TC2的实时时钟电路设计，看门狗的c语言编程、同步串行接口SPI的C语言编程-无仿真-MCU design knowledge, there are 20 instances of electronic information for beginners