MSP430G2553 输出ACLK和SMCLK

#include "io430.h"int main( void ){  int i;  // Stop watchdog timer to prevent time out reset  WDTCTL = WDTPW + WDTHOLD;  P1DIR |= P0 + P4; //设置P1.0 1.4为输出  P1SEL |= P0 + P4; //设置P1.0输出ACLK，P1.4输出SMCLK  while(1);  return 0;}