共阴型数码管显示5,二进制断码 为多少答:用C语言定义共阴数码管段码表的语句:unsigned char code table[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71};//共阴数码管段码表 从中可以查到5的段码是:0x6d 要用这16个全部段码,不要只问一个。
共阳极字形码怎么算答:共阳极字形码算:unsigned char code TAB[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,0x88,0x83,0xc6,0xa1,0x86,0x8e};//共阳数码管字形码表。指令为: MOV DPTR,#LEDTAB MOVC A,@A+DPTR MOV P0,A ;假设段码接在P0口。当A为某一个数时,查表就得到这个数编号的...
如何让高位的数码管不显示,答:程序修改如下:include<reg52.h> sbit ADDR0 = P2^2;sbit ADDR1 = P2^3;sbit ADDR2 = P2^4;unsigned char code LedChar[]={ 0x3f, 0x06,0x5b, 0x4f,0x66,0x6d, 0x7d, 0x07,0x7f,0x6f,0x00};//最后一个为全灭的段码 unsigned char LedBuff[6]={0,10,10,10,10,10};//...