time1-10ms.rar_time1-example_单片机 定时_单片机 定时器_定时器延时_延时

//1s delay ,中断方式 CLK=6MHZ,100ms外部增加10倍,共1s #include<reg51.h> #define uchar unsigned char #define uint unsigned char sbit p10=P1^0; uchar n; uchar delaytime; time0() interrupt 1 using 1 { n--; if(n==0) { p10=!p10; n=delaytime; } } void main() { delaytime=20; n=delaytime; TMOD=0x01; TL0=0x3c; TH0=0xb0; EA=1; ET0=1; TR0=1; while(1) { } }