Summary of STM32WB5MMG WIRELESS MODULE SUPPORTS BLUETOOTH LE, ZIGBEE, OPENTHREAD, AND MORE
STMicroelectronics introduced the STM32WB5MMG, their first STM32-based wireless module offering a compact, ultra-low-power, ready-to-use subsystem certified for Bluetooth LE, Zigbee, and OpenThread to speed IoT device development. It delivers strong RF performance, integrated antenna and crystals, dual-core STM32 (Cortex-M4 and M0+), 1 MB Flash, 256 KB SRAM, multiple security features, concurrent protocol modes, and broad certifications, simplifying antenna/RF design and enabling rapid implementation in battery-powered and constrained designs.
Parts used in the STM32WB5MMG:
- STM32WB5MMG wireless module (includes integrated STM32 MCU and radio)
- Arm Cortex-M4 CPU (integrated in module)
- Arm Cortex-M0+ CPU (integrated in module)
- 1 Mbyte Flash memory (integrated in module)
- 256 Kbyte SRAM (integrated in module)
- 32 MHz radio crystal (integrated in module)
- 32 kHz RTC crystal (integrated in module)
- Integrated SMPS (inside module)
- Integrated chip antenna (inside module)
- Integrated IPD for antenna matching (inside module)
- External raw pins for two-layer PCB compatibility
STMicroelectronics has introduced their first STM32-based wireless module designed to accelerate the market introduction of new Bluetooth® LE and 802.15.4 based IoT devices: the STM32WB5MMG.
The compact and ultra-low-power STM32WB5MMG is:
a complete ready-to-use subsystem in a single package; the STM32WB5MMG assures excellent radio performance out of the box and comes as a certified solution according to Bluetooth, Zigbee, and OpenThread specifications.
said the company’s Group Vice President, Microcontroller Division.
The STM32-based module aims to reduce design complexities like tuning the antenna and optimizing the RF, thus allowing quicker implementation into customer designs. It has a good receiver sensitivity and a high output power that guarantees a best-in-class RF performance, and also supports BLE 5.0, Zigbee 3.0, OpenThread, 802.15.4 proprietary protocols and even static and dynamic concurrent modes.
Features and Specifications of the STM32WB5MMG wireless module include:
- Arm® Cortex®-M4 CPU with FPU and ART; up to 64 MHz speed
- Arm® Cortex®-M0+ for radio and security tasks; up to 32MHz speed
- 1 Mbyte Flash memory
- 256 Kbyte SRAM
- Supports 2 Mbits/s
- Fully integrated BOM, including 32 MHz radio and 32 kHz RTC crystals
- Integrated SMPS
- Two layers PCB compatible, using external raw pins only.
- Up to 68x GPIOs
- 2x ULP Comparators
- Integrated IPD for reliable antenna matching
- Ultra-low-power modes for battery longevity
- Two watchdog timers
- Integrated chip antenna
- Bluetooth® Low Energy 5.0, Zigbee® 3.0, OpenThread certified
- Dynamic and static concurrent modes
- IEEE 802.15.4-2011 MAC PHY
- 1.8 V to 3.6 V VDD range
- TX output power: Up to +6 dBm
- RX sensitivity: -96 dBm (Bluetooth® Low Energy at 1 Mbps), -100 dBm (802.15.4)
- Range: Up to 75 meters
- Security features: Secure firmware installation (SFI) for radio stack, Customer key storage/key management services, PKA, AES 256-bit, TRNG, PCROP, CRC, 96-bit UID, possibility to derive 802.15.4 and Bluetooth® Low Energy 48-bit UEI
- Dimensions: 7 mm x 11.3 mm
- Temperature Range: -40 ºC to 85 ºC
- Certifications: CE, FCC, IC, JRF, SRRC, RoHS, GOST, KC, NCC, REACH
Read more: STM32WB5MMG WIRELESS MODULE SUPPORTS BLUETOOTH LE, ZIGBEE, OPENTHREAD, AND MORE
- What wireless protocols does the STM32WB5MMG support?
It supports Bluetooth Low Energy 5.0, Zigbee 3.0, OpenThread, 802.15.4 proprietary protocols, and IEEE 802.15.4-2011 MAC PHY. - Does the module include an antenna?
Yes, it includes an integrated chip antenna and integrated IPD for reliable antenna matching. - What are the processing cores in the STM32WB5MMG?
It integrates an Arm Cortex-M4 CPU (up to 64 MHz) and an Arm Cortex-M0+ CPU (up to 32 MHz). - What memory capacities does the module provide?
The module provides 1 Mbyte Flash memory and 256 Kbyte SRAM. - What is the module operating voltage range?
The VDD range is 1.8 V to 3.6 V. - What RF performance does the STM32WB5MMG offer?
TX output power is up to +6 dBm; RX sensitivity is -96 dBm for BLE at 1 Mbps and -100 dBm for 802.15.4, with range up to 75 meters. - Is the STM32WB5MMG certified for wireless standards?
Yes, it is certified for Bluetooth, Zigbee, and OpenThread specifications and holds certifications like CE, FCC, IC, JRF, SRRC, RoHS, GOST, KC, NCC, and REACH. - Does the module support concurrent protocol modes?
Yes, it supports dynamic and static concurrent modes. - What security features are included?
Security includes secure firmware installation for the radio stack, customer key storage/key management, PKA, AES 256-bit, TRNG, PCROP, CRC, and a 96-bit UID with derivation for 48-bit UEI. - What are the module dimensions and temperature range?
Dimensions are 7 mm x 11.3 mm and operating temperature range is -40 ºC to 85 ºC.
