/*在EXTI中配置 EXTI线3为中断模式,下降沿有效,并使能该配置 */EXTI_InitStructure.EXTI_LineCmd =___ ;() EXTI_Init(&EXTI_InitStructure); A. EXTI_Trigger_Rising B. EXTI_Trigger_Falling C. EXTI_Trigger_Rising_Falling D. EXTI_Trigger_DISABLE 点击查看答案&解析手机看题 你可能感兴趣的试题...