unsigned char Counter;
void main(void) 
{
  
  DDRA = 0xFF;  
  DDRB = 0xFF;  
  DDRT = DDRT & ~DDRT_DDRT7_MASK; 
  PACTL = 0b01010001; 
  PACN32 = 0x0000;  
  __asm CLI;
  for(;;) {} 
}
interrupt (((0x10000-Vtimpaie)/2)-1) void PACA_EDGE(void)
{
  PORTAB = PACN32; 
  PAFLG = PAFLG | PAFLG_PAIF_MASK; 
}