采用DS1302实时时钟系统，由单片机控制DS1302的读写，将读回来的时间数据通过数码管显示出来,修改时间采用操作友好的矩阵键盘,语音报时系统使用凌阳单片机本身具有的特色语音功能, 并将报时、报日历键分开，整机系统设计比较完善，有显示、键盘、报时、报日历的功能-DS1302 real time clock system used by the DS1302 microcontroller to read and write, to read time data back out through the digital display, friendly operation modified matrix using the keyboard, voice broadcast system uses Sunplus microcontrollers voice itself has the characteristics and will be broadcast, reported separately from the calendar button, the whole system more perfect, there are display, keyboard, timekeeping, reporting calendar function