The STM32U5 is the new generation of extreme power-saving microcontrollers based on Cortex-M33 to meet the most demanding power/performance requirements for smart applications including wearables, personal medical devices, home automation, and industrial sensors.
STM32U5: Ultra-Low-Power MCU With High Performance
STM32 L5 Ultra-Low-Power MCUs - STMicro
STM32 - Wikiwand
STM32U5 Series of Ultra-Low-Power MCUs - STMicro
STMicroelectronics — STM32U5 Ultra-Low-Power Microcontrollers (MCUs)
STM32 - Wikipedia
STMicroelectronics' STM32U5 General-Purpose Microcontrollers Achieve PSA Certified Level-3 and SESIP3 Security Certifications - ST News
STM32 - Wikiwand
Engineering:STM32 - HandWiki
STM32U5 Series of Ultra-Low-Power MCUs - STMicro
STMicroelectronics reveals STM32WBA52 wireless microcontrollers with SESIP3 security, tailored for IoT devices - ST News