MSP430: Takt intern geteilt?!

int main( void ) {

  // Stop watchdog timer to prevent time out reset

  WDTCTL = WDTPW + WDTHOLD;

  //Ports initialisieren

  P1DIR = 0xFF;       //P1 as output

  P1SEL = 0x00;       //GPIO

  P1OUT = 0x00;

  //volle Fahrt auf's Clockmodul

  init_XT2();

  //DCO abschalten

  _BIS_SR(SCG0);

  for(;;) {

    P1OUT ^= 0x01;      //toggle bit 1

  }

}

void init_XT2(void) {

  unsigned int i;

  BCSCTL3 |= XT2S_2;            //16MHz mode

  BCSCTL1 &= ~XT2OFF;           // XT2 = HF XTAL

  do {

    IFG1 &= ~OFIFG;             // Clear OSCFault flag

    BCSCTL3 &= ~XT2OF;          // clear xt2 osc. fault bit (maybe not neccessary but safe)

    for (i = 0xFF; i > 0; i--); // Time for flag to set

  }

  while ((IFG1 & OFIFG));       // OSCFault flag still set?                

  BCSCTL2 |= SELM1 + SELS;      // MCLK and SMCLK = XT2

}