#include <mc9s12dp512.h>
void main(void)
  {
   unsigned int Mycount;
   DDRT = DDRT & ~0x01;
   DDRB = DDRB | 0x10;	
   PBCTL = 0x40; 
   TCTL4 = 0x01; 
   while(1)	
     { 
     PACN10 = 0xFFF6;	
     PORTB = PORTB & 0xEF;	
     while (!(PBFLG & PBFLG_PBOVF_MASK));
     PBFLG = PBFLG | PBFLG_PBOVF_MASK;	
     PORTB = PORTB | 0x10;	
     }
  }