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https://e2e.ti.com/support/interface-group/interface/f/interface-forum/879709/pca9518-could-pca9518-support-linux-os
作为标题
谢谢！
您好 Jason、
我不太理解您的问题、该器件是模拟器件、没有要写入的内部寄存器。 您只需启用/禁用感兴趣的通道。 SDAx/SCLx 通道重复了当被启用时在主 SDA/SCL 线路上看到的内容。
-Bobby
