Most powerful Cortex‑M33 MCU yet for secure, connected and graphics‑rich applications
Most powerful Cortex‑M33 MCU yet for secure, connected and graphics‑rich applications
The STM32H5Ex/Fx MCUs bring hardware‑accelerated graphics with ChromART2, up to 4 Mbytes of on-chip RAM, and high‑speed connectivity to the STM32H5 family.
The new lines enable responsive industrial HMIs, edge controllers, and graphics‑ready designs without compromising cost-efficiency.
Key benefits
Key features
- 250 MHz Arm® Cortex®‑M33 core, FPU, DSP
- 375 DMIPS and 1035 CoreMark
- Up to 1.5 Mbytes of RAM and 4 Mbytes of flash for graphics
- Up to 125 °C extended temperature range
- Up to 3.5-inch displays, MJPEG, ChromART2
- Ethernet MAC, FDCAN, MIPI-I3C, & USB HS w/ PHY
- PSA Level 3 & SESIP3 targets with TrustZone® and STM32TrustTEE
- PLAY array for fast on-chip custom logic
Key applications
Getting started
Start from 31.25$
Affordable prototyping
Prototype quickly with the Nucleo‑144 board featuring the STM32H5E5ZJ MCU, Arduino Uno® interface, USB, and Ethernet. Available starting April 2026.
Start from 110$
Multi-connectivity kit
Explore rich peripherals with a discovery kit offering USB, Ethernet, MicroSD, a 480×272 display, Octo‑SPI flash, audio capabilities, and multi‑extension interfaces. Available starting April 2026.
Free software
STM32Cube MCU package for STM32H5
Accelerate your development using free embedded software that provides robust configuration, debugging, and security tools for STM32H5.
STM32 explore | On-demand webinar
Raise the bar on performance & security with STM32H5 MCUs