Building a safe and secure embedded world


With STM32 you can quickly and efficiently achieve IEC 61508 certification of the safety integrity level (SIL2/SIL3):

X-CUBE-STL - the complete service package for STM32 in Hitex quality

The STM32-SIL design package (X-CUBE-STL) for functional safety helps you bring STM32-based safety-critical applications for industry, engine control, factory automation, power generation/conversion to market quickly.

X-Cube-STL is specifically designed for STM32 microcontrollers based on Arm® cores. Hitex is happy to support you with your STM32 security developments.

What do we offer?

  • Decades of experience in security projects
  • Consulting and services in setting up a safety project with the X-CUBE-STL
  • Additional necessary components for safety projects, e.g. external watchdog services or program flow monitoring
  • Services like FMEDA creation

Contact us on any questions concerning your STM32 safety project and on how to obtain the X-CUBE-STL software.


X-CUBE-STL Feature Details

MCU safety manual

  • Detailed list of safety requirements (conditions of use) and examples to guide STM32 users to achieve safety integrity level certification in compliance with IEC 61508
  • Available for STM32F0, F3, F4, F7, G0, H7, L4, L4+ Series


  • Detailed list of MCU failure modes and related mitigation measures adopted (qualitative analysis)
  • Available for STM32F0, F3, F4, G0, L4, L4+ Series

FMEDA snapshot

  • Static snapshot reporting IEC 61508 failure rates, computed at both MCU and basic function levels of detail
  • Available for STM32F0, F1, F3, F4, F7, G0, L4, L4+ Series

X-CUBE-STL library

  • Software-based diagnostic suite designed to detect hardware random failures in STM32 safety-critical core components (CPU + SRAM + Flash memory)
  • Compliant to IEC61508 SC3 (SIL3) development process
  • Diagnostic coverage verified by state-of-the-art ST proprietary fault injection methodology
  • Application independent: can be used in any end customer application
  • Compiler independent: delivered as object code
  • Certified by TÜV Rheinland
  • Includes the X-CUBE-STL user guide, a functional-only document related to STL functions (such as API details)
  • Includes the X-CUBE-STL safety manual, the instructions/conditions of use for end customer related to the use of STM32 STL in a safety application
  • Available for STM32F0, F3, F4, G0, L4, L4+ Series
Search FormContactOnlineshop