数字时钟设计实现的功能

1.　　可以显示十、分、秒，可以预置时间

2.　　秒、分、时各位满十进一，秒、分满六十向前进一

3.　　以六位LED数码管显示时、分、秒，时为24进制

-Digital clock features a design implementation. Can display 10, minutes, seconds, you can preset the time 2. Seconds, minutes, when you enter a full 10, seconds, minutes at least 60 to move forward a 3. 6 LED digital tube show hours, minutes, seconds, when 24-ary