time3isr.c

c8051f040上CAN总线的应用

/************************定时器3溢出中断******************************/
void Timer3ISR (void) interrupt 14 
{
	
	char SFRPAGE_SAVE=SFRPAGE ; 
	SFRPAGE = TMR3_PAGE; 
	TF3=0; 
	
	Timer3_OverTimes++;                	//每溢出一次，则需要的溢出次数减1
	if(Timer3_OverTimes>=1000)
	{ 	 	
        	SFRPAGE=CONFIG_PAGE;
	    	LED=~LED; 
        	Timer3_OverTimes=0;		
	}
}