a USB-C-plug-equipped board with both pull-downs will switch a USB-C port into a debug mode, and expose the EC UART connection on the SBU pins. Unless you are making such a debug accessory ...

ADUM4160 Functional Diagram The ADuM4160 is an interesting step up from this. It’s designed to provide isolation between a USB host and the device connected to it. Rather than relying on ...