Express Logic USBX USB stack

USBX™ (ST EXP-USB) is Express Logic's high-performance USB host, device, and On-The-Go (OTG) embedded stack. It is fully integrated with ThreadX® and is available for STMicroelectronics' STM32 ARM® Cortex®-M based 32-bit microcontrollers. Like ThreadX®, USBX™ is designed to have a small footprint and high-performance, making it ideal for today's deeply embedded applications that require to interface with USB devices or be connected with a Windows/Apple/Linux desktop over USB.

This product is supplied by a third party not affiliated to ST. For complete and latest information on the specification and the purchased parts package, refer to the third party’s website

Key Features

  • Complete STM32 family support
  • USB 1.1 and 2.0 support
  • USB OTG support
  • Host and device side support
  • Fully integrated with ThreadX®
  • Reasonable pricing
  • Royalty-free
  • Complete ANSI C source code
  • Easy to use and powerful services
  • Responsive technical support



Description Version Size
STM32 and STM8 embedded software solutions 4.0 3 MB


型号 Software Version Marketing Status Supplier Third Party Link
EXP-USB Active ExpressLogic GO TO SITE