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)
    • USBID pin (microcontroller): unconnected and ID pin (USB connector): unconnected
© 2024 Microchip Technology, Inc.
Notice: ARM and Cortex are the registered trademarks of ARM Limited in the EU and other countries.
Information contained on this site regarding device applications and the like is provided only for your convenience and may be superseded by updates. It is your responsibility to ensure that your application meets with your specifications. MICROCHIP MAKES NO REPRESENTATIONS OR WARRANTIES OF ANY KIND WHETHER EXPRESS OR IMPLIED, WRITTEN OR ORAL, STATUTORY OR OTHERWISE, RELATED TO THE INFORMATION, INCLUDING BUT NOT LIMITED TO ITS CONDITION, QUALITY, PERFORMANCE, MERCHANTABILITY OR FITNESS FOR PURPOSE. Microchip disclaims all liability arising from this information and its use. Use of Microchip devices in life support and/or safety applications is entirely at the buyer's risk, and the buyer agrees to defend, indemnify and hold harmless Microchip from any and all damages, claims, suits, or expenses resulting from such use. No licenses are conveyed, implicitly or otherwise, under any Microchip intellectual property rights.