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TMS320F280049C 两路interleave Buck 相位差 进入 中断后由180度变成150度

如果在初始化时给CMPA与CMPB固定的值,而不在ADC采样中赋值,则相位是可以的。

但当在在中断中由环路计算重新给PWM1与PWM2的CMPA与CMPB赋值,它们的相位差不是180度的相位差,而是变成了153度。

中断是ADC中断

下面是PWM1与PWM2的初始化: