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Dm368 GIO0 拉低后功耗降低

您好,

        我们目前在尝试降低dm368的功耗,启动方式是sd卡启动,文档中有提到Dm368的DEEPSLEEP模式,需要先让ddr进入自刷新,然后再拉低GIO0。

测试过程中发现,直接拉低GIO0,368的功耗会降低接近100mw,此时编码解码功能都正常。

      请问直接拉低GIO0是进入了什么模式?这样做会有什么风险?谢谢!