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如何触发STM32F103C8T6的外部中断?
中断是MCU的特征之一,STM32F103C8T6也不例外。以下通过STM32F103C8T6 Blue Pill外接一个按钮,向MCU触发外部中断。 STM32F103C8T6中断特征 中断有硬件中断和软件中断两种,当一个中断发生时,相应的中断服务程序(ISR)和中断处理程序就开始运行了。其中,ISR的指令必须尽 ...
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