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msp430f417 ACLK输出

Other Parts Discussed in Thread: MSP430F417, MSP-TS430PM64

MSP430F417 采用下面的程序,有的板子P1.5引脚输出信号高电平18.55us,低电平11.95us,这样的电路板运行一段时间后晶振会发生停振,原因不明


#include <msp430.h>

int main(void)
{
#if 1
  WDTCTL = WDTPW + WDTHOLD;                 // Stop watchdog timer
  FLL_CTL0 = XCAP18PF;                      // Configure load caps

  P1DIR = 0x22;                             // P1.1,5 to output direction
  P1SEL = 0x22;                             // P1.1,5 to output MCLK & ACLK

  while(1);                                 // Loop in place
#endif    
}