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同一个bank只能对应一个ISR,可以在ISR里或者主程序里读取INTSTATn寄存器,判断是哪个GPIO管脚产生的中断,再去做相应的处理。
19.3.12 GPIO Interrupt Status Registers (INTSTATn)
https://www.ti.com/lit/ug/spruh79c/spruh79c.pdf