本程序是基于５１单片机内部定时器定时中断程序，单片机教程：http://www.mcujc.com，主要用定时器定时去控制ＬＥＤ灯的闪烁，让初学者更好地掌握５１单片机定时器的使用！-This procedure is based on the internal timer of 51 single-chip timer interrupt program, microcontroller tutorial: http://www.mcujc.com main timer timer to con