C51控制7219实现led控制。代码经过调试，是学习7219的很好资料。-C51 Control of 7219 led to achieve control. After debugging the code is good information to learn 7219.

7219数码管实现时钟显示功能，里面有7219中文资料及程序-7219 digital tube to achieve the clock display function, there are 7219 Chinese language materials and procedures