test44x_fll01.c

来自「430例程大全 端口操作 时钟模块FLL+操作 flash读写操作 看门」· C语言 代码 · 共 17 行

#include "msp430x44x.h"

void main(void)
{
  WDTCTL = WDTPW + WDTHOLD;       // Stop watchdog timer
  SCFI0 |= FN_2;                  // x2 DCO, 4MHz nominal DCO  
  FLL_CTL0 = XCAP18PF;            // set load capacitance for xtal
  SCFQCTL = 74;                   // (74+1) x 32768 = 2.45Mhz
  
  P1DIR = 0x22;                   // P1.1 & P1.5 to output direction
  P1SEL = 0x22;                   // P1.1 & P1.5 to output MCLK & ACLK
  
  while(1);                       // loop in place
}