xian595.h

STC单片机与74HC595的完美组合用最少的IO口控制8位数码管,程序稍微修改就可以用51来控制.充分节约硬件资源

#ifndef _xian595_H_
#define _xian595_H_


extern void m_595(unsigned char com);
extern void s_595(unsigned char m,unsigned char n);
extern void delay(unsigned char m);
#endif