USBXpress Development Tools

by Administrator Nari on ‎09-04-2014 06:10 AM - last edited on ‎02-20-2017 06:04 AM by Administrator Siliconlabs

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The USBXpress® development kit provides a complete host and device software solution for interfacing CP210x USB to UART bridge and C8051F32x/34x/38x and C8051T62x/T32x USB microcontroller devices to the Universal Serial Bus (USB).




  • No USB protocol or host device driver expertise required
  • Development kit includes everything you need to get started:

- Windows device drivers

- INF driver installation files

- Host API - host function library provided in Windows Dynamic Link Library (DLL) format

- Device API - device firmware interface function library


  • Keil 8051 tool chain available for download (required to use device firmware library)
  • Library support for Keil, Raisonance, and SDCC build tools

Learn more 


Go to the software download page