MSP430F6736单片机24MHz主频，同一套程序不同的板子PWM输出频率值有偏差例如理论输出2000Hz实际一个输出1999，另一个输出1990，这可能是哪里的问题呢，开始怀疑是晶振的问题，通过调换两个板子的晶振也没有作用。还有可能是哪里的问题呢？
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