P0口的数码管显示是试过正常的，本想加个看门狗试试看，但是没有看到有什么反应！！！！麻烦帮忙看看，谢谢！！！！#include "reg51.h"#define uchar unsigned char#define uint unsigned intsfr WDT_CONTR=0xe1;***it button= P3^0;***it p27=P2^7;uchar code disptab[]={0x3f,0x6,0x5b,0x4f,0x66,0x6d,0x7d,0x27,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71};void delay(uchar x);uchar time0,time1;void main(){uchar a;TMOD=0x01;TH0=(65536-16000)%256;TL0=(65536-16000)/256;TR0=1;EA=1;ET0=1;//p27=1;P0=0;p27=0;a=0;WDT_CONTR=0x3C;//DWT_CONTR=0X2F;while(1){if(button==0){ TR0=0;}if(a==16) a=0; P0=disptab[a]; delay(100);a++; time0=0; }}void delay(uchar x){uint y;for(;x>0;x++)for(y=0;y
2015-10-29 09:59
请求的最大电流为280 mA.Type = 0x0605.Cable Type = 3，修订版= 0.设置电缆速度为6 MHz。建立电缆连接。固件版本= 1100.Dile的文件版本：/Xilinx
2020-05-29 14:04
