How do you connect the USBID pin in a USB hardware design?

Below is a general guide for connecting the USBID pin from a microcontroller:

  • USB HOST role
    • The USBID pin (microcontroller): unconnected
    • ID pin (USB connector): connected to ground
  • USB OTG role
    • The USBID pin from microcontroller: connected to ID pin (USB connector)
  • USB DEVICE role
    • USBID pin (microcontroller): connected to ID pin (USB connector)
      or
    • USBID pin (microcontroller): unconnected and ID pin (USB connector): unconnected

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