这是计时器的程序和电路图,用的bcd数码管,仿真不成功,不知道哪里错了...答:/***程序仿真用89c52 数码管用共阳极数码管 P0口段选,P3.0和P3.1位选 定时器2用法见百度“T2CON”***/ include<reg52.h> define uint unsigned int define uchar unsigned char uchar code num[12]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,0xff,0xbf}; //共阳极...
求基于AT89C52单片机共阴数码管0到59秒循环计时器c语言代码答:include<reg51.h>#include<INTRINS.h>#define u16 unsigned int#define u8 unsigned char/***/u8 ds[2]; //数码管显示缓存//共阴code u8 w[]={~0x01,~0x02,~0x04,~0x08};//位码code u8 d[]={~0xc0,~0xf9,~0xa4,~0xb0,~0x99,~0x92,~0x82,~0xf8,~0x80,~0x90,};//断...