在初始化后,对INA226的配置寄存器0x00回读,0x00寄存器读出的结果高八位正确,但是低八位始终为0xFF,其他寄存器也是如此。请问这是什么问题?
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使用的demo板还是自己搭建的板子?INA226有EVM GUI,即使自己搭建的板子也可以使用,方面客户使用它来进行寄存器配置。
http://www.ti.com/tool/INA226EVM?keyMatch=INA226&tisearch=Search-EN