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msp430FR6972外接硬件看门狗,还是出现程序卡死无法复位的情况

Other Parts Discussed in Thread: MSP430FR6972

做了一款GPRS收发器,主芯片MSP430FR6972外加硬件看门狗,在使用过程中,遇到程序卡死的情况,看网上说功耗瞬间电流过大的情况下,会导致程序卡死,需要配置电源管理PMM相关的寄存器来解决问题,如何配置呢?

补充:硬件看门狗在正常工作,示波器打RST引脚有拉低信号,但是CPU并没有复位!只有重新上点才能解决问题。