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DS90UB954-Q1: VDD-IO规格书中给了两个电压,1.8V或3.3V,这两个电压供电有何影响嘛?

Part Number: DS90UB954-Q1


如图

不知道1.8V或3.3V会不会影响配置。

目前主要问题是 MCU与954之间的通讯无ACK,IDX,MODE等都排查完没有异常。