采用单片机技术实现多功能电子时钟。本设计应用AT89C51芯片作为核心,7位LED数码管显示,使用DS1302实时时钟(The multi function electronic clock is realized by using single chip computer technology. This design uses AT89C51 chip as the core, 7 bit LED digital tube display, use DS1302 real time cloc