NVIC_Group参数用于设置STM32 MCU中43个中断通道的先占优先级。它可以通过设置为NVIC_PriorityGroup_0到NVIC_PriorityGroup_4来确定先占优先级的位数，分别对应0到4位。先占优先级与从优先级之和必须等于4。当先占优先级设置为NVIC_PriorityGroup_0时，NVIC_IRQChannelPreemptionPriority参数对中断通道的设置不起...
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1; NVIC_InitStructure.NVIC_IRQChannel = TIM2_IRQn; NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1; NVIC_InitStructure.NVIC_IRQChannelSubPriority = 2; NVIC_InitStructure.NVIC_IRQChannel = TIM4_IRQn; NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority ...
下列属于中断优先级的设置步骤的是()。 A、系统运行开始的时候先设置中断分组 B、确定组号即确定抢占优先级和响应优先级的分配位数 C、调用函数为NVIC_PrI/OrityGroupConfig D、设置所用到的中断的中断优先级别,对每个中断调用函数为NVIC_Init 点击查看答案&解析 你可能感兴趣的试题 单项选择题 社会角色是( )的外...
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