Wireless microcontroller module boosts IoT design productivity: Page 2 of 2

January 05, 2021 //By Jean-Pierre Joosting
Wireless microcontroller module boosts IoT design productivity
Microcontroller module offloads complete RF design for faster time to market and ensures optimized wireless performance, low power, compact footprint.

Benefitting from all features of the STM32WB55 ultra-low power wireless microcontroller ICs, the module addresses a wide variety of opportunities for smart-home, smart-building, and smart-factory equipment. Users can leverage the MCU’s dual-core architecture that separates radio and application-level processing for unimpeded performance, large memories for radio and application code and data storage, and state-of-the-art cybersecurity.

The STM32WB5MMG can address market opportunities at all levels, including cost-sensitive and highly miniaturized devices. Designers can create a simplified, low-cost PCB leveraging the module’s optimized pin-out and take advantage of existing STM32WB55 MCU firmware libraries and toolchain. In addition, ST has created a dedicated application note as extra guidance for module users.

The module integrates a miniature antenna properly matched to the receiver circuitry, built-in Switched-Mode Power Supply (SMPS) circuitry, and frequency-control components. With support for crystal-less USB Full-Speed connectivity, the module lets users minimize bill-of-materials costs as well as simplifying the hardware design.

Cyber protection includes secured software updates including Over-The-Air (OTA) for brand protection and device integrity, customer key storage and Proprietary Code Readout Protection (PCROP) to protect developers’ intellectual property, and Public Key Authentication (PKA) support for cryptographic protection of code and connections.

By combining high RF performance with low power consumption, the module ensures reliable connectivity with extended battery life.

www.st.com


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