write164.h

一种多功能频率计

#include <reg52.h>
#define uint unsigned int
#define uchar unsigned char

#define  Fen200_MF 0x12
#define  Fen100_MF 0x01
#define  Direct_MF 0x02
#define  Fen100_MP 0x03
#define  Direct_MP 0x04
#define  M_A 0x05

sbit DAT=P3^1;
sbit CLK=P3^0;

void write164(unsigned char);