数字时钟设计,包括显示,闹钟和设置功能,算是pic初学者上手用的程序..(要注意包括了一个clock.h的头文件,否则程序你看不懂的呵呵)-Digital clock design, including display, alarm clock and set the functions, be used to program pic .. for beginners to get started (including a clock.h to pay attention to the head