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28062的GPIO37作为输出IO拉不低



非仿真情况下,GPIO37配置成IO输出口,软件拉低不了,一直输出高电平,检测过软件没有发现问题。换了个程序,又可以被拉低,检查2套软件在配置这地方是一样的,还有哪些情况会影响IO口输出?