To accelerate development with the latest STM32U5 MCUs, ST offers new STM32Cube software packs and tools, along with evaluation boards. The STM32U575 and STM32U585 microcontrollers are based on an Arm Cortex-M33 core and combine security and power savings with up to 2 MB of on-chip flash memory. Aimed at smart, connected consumer products, the 40-nm MCUs boast dynamic power of less than 19 µA/MHz.

The enablement ecosystem for the STM32U5 MCUs comprises more than 200 project examples and applications to help exercise MCU functions. Middleware components include Azure RTOS, FileX/LevelX, ThreadX, NetX Duo, USB Power Delivery, TF M, mbed-crypto, Touch library, Network library, and OpenBootloader. Also available is the self-test library and software packages that simplify cybersecurity.

Hardware kits for the MCUs include the $65 Discovery kit for IoT node (), which contains BLE and Wi-Fi modules. For $23, the Nucleo-144 board provides a flexible launchpad for prototyping and allows unlimited expansion. The full-featured evaluation kit is available for $348.

Prices for STM32U5 MCUs start at $3.60 in various packages, such as a 4.2×3.95-mm WLCSP and 7×7-mm UQFN48 and UFBGA169.

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