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DSP 程序跑飞



    情况是这样的,我用28335控制单相逆变电路,反馈电压用莱姆LV25-P检测,先将控制电路上电,确定程序运行后,将主电路上电(直流84V),这时DSP的程序会重置,但是不会进入PWM中断,请问这是什么问题?怎么引起的?多谢,静待答案。