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最近在用F28335在CCS5.5平台控制永磁同步电机,电机未上电时能够产生正确的PWM波形,给电机加电之后,PWM波形有很多毛刺,并且运行一段时间跳出错误: device may be operating in low power mode,would you like to bring it out of this mode? 有没有谁也遇到过相似的情况?求指教!万分感激!