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DS90UB954 上电时序问题



Hi 

    请教一下DS90UB954的VDD18和VDDIO(在我的设计中VDDIO为3.3V)上电时序的要求?从手册上看,我理解VDD18--->VDDIO或者VDDIO-->VDD18这两种顺序

都可以,不知是否正确?