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Jian Zhou兄 能否帮忙给看下这个问题:关于AM3352上GPIO0电平配置的问题,谢谢!

Other Parts Discussed in Thread: AM3352

AM3352自研板子,发现多亏GPIO0_17和GPIO0_30这两个pin一直在三态,对其进行拉低操作后 测量发现只能维持一瞬间,后又变成三态,其他GPIO1~GPIO3没发现这种类似问题,请问下 GPIO0的电平控制与GPIO1~3有什么特别之处?这个现象是自研板自设计的问题还是 软件操作时需要对GPIO0的pin另做操作?(实际测试中,发现GPIO0的wakeup 是否使能都没作用)

谢谢!

求助帖子如下

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