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比如,我要做一个PMSM的驱动,控制命令由主控节点通过通讯给出。在通讯中断处理中,可否响应电机控制的相关中断(实际上是一个由PWM触发的ADC中断)?
看了相关资料,在ISR中使用EINT前都会清除其他组的中断使能位,这是否说明,嵌套只能用于同组内??