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Based on an Arm® Cortex®-M4 core running at 64 MHz (application processor) and an Arm Cortex‐M0+ core at 32 MHz (network processor), STM32WBx5 wireless microcontrollers support Bluetooth® LE 5.0, IEEE 802.15.4 Zigbee® and Thread wireless standards.

Wireless connectivity

 

      

Bluetooth LE 5.0-certified, STM32WBx5 wireless MCUs can support Mesh 1.0 network, multiple profiles and offer flexibility to integrate proprietary Bluetooth LE stacks. The generic IEEE 802.15.4 MAC layer ensures the STM32WBx5 runs proprietary protocols or stacks, including Zigbee PRO (which comes with a wide set of Zigbee 3.0 Cluster) and low-power OpenThread mesh networking protocols, giving designers even more options for connecting devices to the IoT.

These ultra-low-power 32-bit wireless microcontrollers can run Bluetooth LE 5.0 and 802.15.4 wireless protocols concurrently in a static or dynamic manner.

The dual-core architecture enables secured Over-The-Air (OTA) updates of the protocol stack to future-proof the radio link maintenance.

The 1MB Flash memory ensures your application runs smoothly, whatever the protocol stack solution, without having to add an external Flash memory component.

Package information and options

STM32WBx5 wireless microcontrollers provide designers with flexibility in terms of pin counts and memory size.

Four ECOPACK2®-compliant packages with three different memory sizes are available to address different levels of complexity to match application requirements.


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