test44x_fll02.c

430例程大全 端口操作 时钟模块FLL+操作 flash读写操作 看门狗操作 timerA-操作 timerB-操作 比较器A操作 基本定时器LED&LCD操作 ADC&BT&LC

#include "msp430x44x.h"

void main(void)
{
  WDTCTL = WDTPW + WDTHOLD;       // stop watchdog timer
  SCFI0 |= FN_4;                  // x2 DCO frequency, 8MHz nominal DCO  
  SCFQCTL = 121;                  // (121+1) x 32768 x 2 = 7.99 Mhz
  FLL_CTL0 = DCOPLUS + XCAP18PF;  // DCO+ set so freq = xtal x D x N+1
  P1DIR = 0x22;                   // P1.1 & P1.5 to output direction
  P1SEL = 0x22;                   // P1.1 & P1.5 to output MCLK & ACLK
  
  while(1);                       // loop in place
}