用数码管显示的可调式数字钟Proteus仿真

1、仿真电路:tKIU1X1 :13.gETOS-IfI +4-CT 6 - d士J丄>XTAL1IPD.O_AD0M 1 WDiXtAL?PiO3M3hO.4WD4RSIro.7<AQ7P20/ACF24/A9P2.2TA1I0PSfl-JF2VAMALEP2.112IEAP2.5fA1l3陀MfrHP2.7/A1SP1 0糾JR3.1/TXDFl 2円3PrioriP1.4円国moPI 5pas/riP1 6PI Jps.rnron TOOT-C-r35LJB3B533日32ie« ,FIcIFr才1:gp;r13n12h/11Lip0 B- ' RIM11CIT

2、7u idT仿真程序：#in clude<reg52.h>#in clude<i ntri ns.h>#defi ne uint un sig ned int#defi ne uchar un sig ned char/-共阳极数码管段码uchar code table=0xC0,0xF9,0xA4,0xB0,0x99, 0x92,0x82,0xF8,0x80,0x90;uchar dat=0,0,0xbf,0,0,0xbf,0,0;uchar h,m,s,ms;uchar sca n_which;uchar in dex;uchar key_state;/延时void

3、 delay(uint t)uint i;while(t-)for(i=0;i<120;i+);void hour()if(+h>23) h=0;dat0=tableh/10; dat1=tableh%10;void min()if(+m>59)m=0; hour();dat3=tablem/10;dat4=tablem%10;void second()if(+s>59)s=0; min();dat6=tables/10; dat7=tables%10;void main()IE=0x8a;TMOD=0x11;TCON=0x01;TH0=(65536-1000)/256

4、;TL0=(65536-1000)%256;TH1=(65536-50000)/256;TL1=(65536-50000)%256;h=17;m=50;s=ms=0;dat0=tableh/10;dat1=tableh%10;dat3=tablem/10;dat4=tablem%10;dat6=tables/10;dat7=tables%10;scan_which=0xfe;index=0;TR0=1;TR1=1;key_state=0xfe;while(1)if(PMkey_state)delay(10); if(P1Akey_state)key_state=P1;EA=0;if(key_state & 0x01)=0)hour();else if(key_state & 0x02)=0) m=(m+1)%60;dat3=tablem/10;dat4=tablem%10;EA=1;void T0_int() interrupt 1TH0=(65536-1000)/256;TL0=(65536-1000)%256;P3=scan_which;P0=datindex;scan_which=_crol_(scan_which,1);index=(index+1)%8;void T1_int() inte