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问题:从中断产生到中断服务函数的时间是多少?
相关参数如下:
https://www.ti.com.cn/cn/lit/ds/symlink/tms320f280049c.pdf
如果不是外部中断,时间是14个SYSCLK?
我认为是这样的
tw(IQSW) :是GPIO引脚来检测电平的时间
14tc(SYSCLK):即中断到达而后跳到中断服务程序的时间