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Dual-core, multi-protocol wireless STM32WB microcontrollers

Bringing RF connectivity to the STM32 portfolio, the STM32WB microcontroller integrates a 2.4 GHz radio supporting Bluetooth™ 5 and IEEE 802.15.4 wireless communication protocols.

Dual-core STM32WB microcontrollers feature an ultra-low-power 2.4 GHz radio to meet the requirements for a wide range of wireless applications.

Built on an Arm® Cortex®‐M4 and Cortex®‐M0+ core architecture, STM32WB microcontrollers support multiple radio protocol configurations to ensure wireless application flexibility with Bluetooth™ 5, OpenThread, ZigBee 3.0 individually or concurrently.

Bluetooth Low Energy RF transceiver comes with a Bluetooth™ 5 radio stack, profiles from the Bluetooth SIG, Mesh profile compliant V1.0 Bluetooth SIG release, and an HCI for any Bluetooth Low Energy or proprietary solutions including the Zephyr or Arm Cordio stack.

The IEEE 802.15.4 part also integrates different possibilities with an OpenThread stack, a ZigBee 3.0* stack or even an 802.15.4 MAC layer for proprietary solutions.

To lighten device maintenance operations, the STM32WB’s security features allow end-device trustability and anti-cloning features.

Harnessing the STM32Cube development ecosystem, designers benefit from a complete suite of tools that reduce application development time:

  • STM32CubeMonRF software tool for testing the RF performance of STM32-based devices
  • STM32CubeWB package that includes STM32Cube™ hardware abstraction layer (HAL), low-layer (LL) APIs, and middleware components as well as the STM32CubeMX graphical software configuration tool for use with STM32WB microcontrollers
  • STM32WB55 Nucleo Pack supporting Bluetooth™ 5 and IEEE 802.15.4 communication (P-NUCLEO-WB55)

STM32WB, the STM32 family’s pioneer in wireless connectivity, is easy to use, reliable and perfectly tailored for a wide range of industrial and consumer applications.

Note (*): coming soon


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Getting started with STM32WB

Purchase a STM32WB55 Nucleo pack

Download the Free STM32CubeWB embedded software package containing the HAL, LL (low-layer) APIs, middleware, Bluetooth™ 5 certified stack and Open-Thread certified stacks. Then install ST’s STM32CubeMX graphical software configuration tool (Free) that supports pinout configuration, code generation and a power consumption calculator. Start with one of the many examples provided or build your own project.

To fine tune your application, or perform radio test or build your own profile  down load and install STM32CubeMonitor-RF tool.

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