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如何区分触发STM32 外部中断的GPIO引脚
如何区分触发STM32 外部中断的GPIO引脚
2025-04-04 06:39:23
推荐回答(1个)
回答1:
stm32往往多个IO口线分组对应同一个中断,所以这样你在设计之初注意这点.
比如:你想用三个外部触发中断,最好错开放在不同的中断线上。这样便于区分。
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