STM32U5 Series

The STM32U5 series offers advanced power-saving microcontrollers, based on Arm® Cortex®-M33 to meet the most demanding power/performance requirements for smart applications, including wearables, HMI, personal medical devices, home automation, and industrial sensors.

Offering up to 4 Mbytes of flash memory (dual bank) memory and 2514 Kbytes of SRAM, the STM32U5 series of microcontrollers takes performance to the next level with advanced graphics capabilities.

The STM32U5 series provides greater integration and memory capabilities to maximize performance. Ultra-low power, it is the first 32-bit MCU embedding a flash memory, up to 4 Mbytes.


  • Advanced HMI
  • POS Point of sales
  • Metering
  • Sensors
  • Medical and Healthcare
  • Home appliance
  • White goods
  • Advanced HMI
  • e-bike
  • EV charging
  • Wearables
  • Speaker, Smart speaker, and Audio Hub

Product types:

Up to 512KB of Flash, and 274 KB of RAM, with crypto available.
Up to 2048KB of Flash, and 786 KB of RAM, with crypto available.
Up to 4MB of Flash and 2514KB of RAM, with crypto available.
Up to 4MB of Flash and 2514KB of RAM, with advanced graphics capability thanks to embedded Neochrom GPU, with crypto available, TFT-LCD and DSI display.

Discover our portfolio

stm32u535-545 stm32u535-545 stm32u575-585 stm32u575-585 stm32u595-5a5 stm32u595-5a5 stm32u599-5a9 stm32u599-5a9
stm32-ann wireless-connectivity stm32-graphic-user-interface functionalsafety stm32-usb-c stm32-community stm32-education stm32mcu stm32-github


The STM32U5 series enables new features in embedded system designs and offers best-in-class performance:

    High energy efficiency
  • Innovative power management features
  • LPBAM, DMA, and IP autonomous in LP mode
    High integration
  • Up to 4 Mbytes internal flash memory
  • Up to 2.5 Mbytes RAM
  • USB HS with integrated PHY
    Higher security and safety
  • AES and PKA, side attack resistant
  • ECC on flash memory and SRAM
    Advanced graphics capabilities
  • First STM32 with advanced graphics accelerators and NeoChrom GPU
    Improved data storage
  • 100 kcycles for 512Kb of flash
STM32U5 Online Training
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