This thread has been locked.
If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.
上升沿捕获然后进入中断,假设MCLK频率800KHZ,则执行一条指令时间1.25us,捕获的信号频率假设是32768HZ,则变化一次周期时间30.5us,
不过中断服务程序执行时间>30.5us,这时候捕获的信号源已经开始新的周期,但MCU还在中断程序里,这种情况怎样处理?