#include <mc9s12dp512.h>     
void main(void)
  {
    SCI0BDH=0x0;			
    SCI0BDL=0x0D;			
    SCI0CR1=0x0;			
    SCI0CR2=0X0C;  
    while(1)
      {
        SCI0DRL='G';				
        while(!(SCI0SR1 & SCI0SR1_TDRE_MASK));
	 }
  }