<p>➀ STMicroelectronics has introduced the STM32U3 microcontrollers with advanced power-saving features for IoT devices, enabling long-term operation with minimal maintenance and power usage.</p><p>➁ The STM32U3 series enhances IoT security with hardware protection, including secure storage of secret keys and factory-loaded attestation credentials.</p><p>➂ Key features include AI-driven voltage scaling, very low power consumption, high-performance peripherals, and support for operating in extreme temperature ranges.</p>