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MSP430 Watchdog写入密码



各位好,

我们知道可以通过设置16位寄存器WDTCTL的低8位来设定Watchdog的触发时间等。而每次写入的时候高8位都要同时写入5A,也即Watchdog密码。

想了解一下,MSP430设置这个密码的用意是什么呢?是担心低8位的某位被误触发而导致Watchdog工作异常还是其他?

谢谢解答。