数字时钟 c语言程序 基于单片机8051 LED显示,Digital Clock c language program 8051 LED-based single-chip display

8051LED流水点亮,open the LED , it will from left to right !! -open the LED , it will from left to right !!

程序P5口连接的是共阳极数码管，所有段的发光管正极连在一起接+5V，P5口控制各段发光管的负极。其中库文件根据不同实验台而不同。-The procedures P5 port is common anode digital tube, all segments of the light-emitting tube cathode together then+5V P5 port to control the negative of each segment of the light-emitti

程序同样控制1个7段显示数码管，但控制的方法是通过访问总线进行显示数据的写操作，属于总线方式的并行数据操作。其中库文件根据不同实验台而不同。-The same program control a 7-segment display digital tube, but the method of control is by visiting the bus display data write operation, the operation of the parallel data bus wa