STM32H5 MCU: higher performance and stronger security for IoT devices

Create high-performance and secure IoT solutions with the STM32H5 microcontrollers.

With its advanced security features, flexible architecture, and connectivity options, the STM32H5 offers high performance and reliability for many IoT applications, from smart home to wearable applications and industrial automation.

So why settle for anything less? Explore new design possibilities with the STM32H5 today and unlock the full potential of your IoT devices.

STM32H5, a gateway to new embedded applications

Most powerful Cortex-M33

The STM32H5 MCU series is the industry’s first 32-bit MCU with an Arm® Cortex®-M33 core running as high as 250 MHz.

Strong & scalable security

Developers can choose between different security offers maintained by ST over the product lifetime.

Many design options

The STM32H5 comes with a large choice of memory, peripherals, and package options (25-176 pins).

Suitable for many applications


Smart home

Smart city

Medical and healthcare

Securely connect IoT devices to cloud IoT platforms

Securely connect IoT devices to cloud IoT platforms

X-CUBE-AZURE-H5 & X-CUBE-AWS-H5 expansion packages consist of a set of libraries and application examples for high-performance microcontrollers of the STM32H5 series, acting as end devices.


Build secure IoT devices

Develop your next IoT project with the STM32H573I-DK, ideal for high-performance and advanced security applications. The kit counts multiple graphics elements, including the color touch display, a digital microphone, as well as several interfaces: USB, Ethernet, and Wi-Fi®.

stm32Trust Tee

Increase security and reduce complexity with STM32Trust TEE Secure Manager

A set of turnkey services based on both hardware and software to strengthen, simplify, and shorten security development lifecycles on STM32H5 MCUs.

STM32H5 targets PSA Certified level 3 and SESIP3 certifications. Developers can now speed up the certification process. 


Ideal for mid-level graphics on small displays

Easily run graphics solutions on your STM32H5 MCU using TouchGFX.
  • No external memory required
  • Simple and robust PCB design
  • Easy prototyping
  • Reduced bill of material  

developer zone

STM32 Developer Zone: Everything for STM32 developers, in one place

Quickly access to the STM32Cube software development kit, hardware evaluation boards, and much more.

Recommended resources

  • On-demand webinar: Raise the bar on performance & security with STM32H5 MCUs
  • On-demand webinar: Simplify your security journey with the STM32Trust TEE Secure Manager solution
  • Blog post: STM32H5: a Developer Kit with a 1.54-inch touchscreen and cloud connectivity software to bring new ideas to life