Other Parts Discussed in Thread: AM5728
INT管脚必须使用吗?如果不是必须的话,那我不用的话,它可以悬空吗?我看手册里其他管脚都有说,它没说
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HI
不用是可以悬空的,但应该是需要用到的。(我看到的datasheet和相关资料都是用到的)
INT,我看它写的就是,给主机的 可屏蔽的中断请求, 我理解对吗?demo板是有接到AM5728的GPIO管脚,有其他开发者接到RTC的wakeup上,为啥是必须的呢?是告诉主机有问题,让主机停止工作?