80c51单片机定时器中断问题,单个数码管间隔1秒一次显示0到9。(汇编...答:SETB TR0 DJNZ R2,T0E MOV R2,#20 MOV DPTR,#TABLE MOV A,R3 MOVC A,@A+DPTR MOV P0,A INC R3 CJNE R3,#10,T0E MOV R3,#0 T0E:RETI TABLE: ; 共阴极数码管显示代码表 DB 3FH,06H,5BH,4FH,66H ;01234 DB 6DH,7DH,07H,7FH,6fh ;56789 END ...
51单片机数码管显示1-19以及PMW 显示答://数码管显示0~19 include<reg52.h> define uint unsigned int define uchar unsigned char sbit wela=P2^7;sbit dula=P2^6;uchar t,shi,ge,num;uchar code table[]= {0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f};void init(){ t=0;TMOD=0x01;TH0=(65536-50000)/256...