请问我可以用外部中断作为触发edma事件么?我想不用中断函数,直接以外部上升沿中断作为edma的触发事件,在外部端口有上升沿的时候采集GPIO1的数据存储到ram中,频率大概40兆赫兹左右,请问能实现么?谢谢!
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