STMicroelectronics STM32WBA Series
STM32WBA wireless series - Faster time-to-market and higher performance for wireless short-range devices
The STM32WBA MCU series brings designers performance, efficiency, and flexibility. It embeds large memory to support both applications and connectivity activities, offering up to 2 Mbytes of flash and up to 512 Kbytes of RAM. A smart set of peripherals such as ADC, touch sensing, timers, makes this series a self-sufficient wireless application MCU.
Key benefits include:
- High data rate to ensure fast and reliable data transfer
- Multi-protocol flexibility (Bluetooth® LE*, IEEE 802.15.4 communication protocols, Zigbee®, Thread, Matter and
- Long range capability for extended communication distance
- High output power (+10 dBm) to further increase communication range
- Low-power messaging capability to extend battery lifetime
Based on Arm® Cortex®-M33 core running at 100 MHz with TrustZone® technology, the STM32WBA series provides a high level of security, protecting data, IPs, and helping prevent hacking or device cloning.
* LE Coded, LE 2M, extended advertising, LE Audio, direction finding.
Benefits
- Enhanced wireless performance
- Multiple protocols supported (Bluetooth® LE including audio, IEEE 802.15.4 communication protocols, Zigbee®, Thread, Matter and Aliro)
- Best-in-class +10 dBm Tx output power
- Improved efficiency
- Increase battery life with the advertising extension for efficient device communication
- Ensure fast and reliable data transfer for seamless connectivity
- Advanced security
- Protect your IP and increase privacy protection based on SESIP3 and Arm PSA L3 device capability (compliant with the current regulation)
- Ready for international security regulations, including RED, CRA, and US CyberAct
- Faster time-to-market
- Accelerate your time-to-market by leveraging the market-proven STM32Cube ecosystem
- Extensive documentation, RF reference designs, and specialized wiki articles
Applications
- Industrial
- Consumer
- Smart home control
Discover our product types
| STM32WBA2x | STM32WBA5x | STM32WBA6x | |
|---|---|---|---|
| CPU | Cortex®-M33 @ 64MHz | Cortex®-M33 @ 100MHz | Cortex®-M33 @ 100MHz |
| Flash size | 512 kB | Up to 1 MB | Up to 2 MB |
| RAM size | 96 kB | Up to 128 kB | Up to 512 kB |
| Protocols | Bluetooth® LE Zigbee 3.0 OpenThread 1.4 |
Bluetooth® LE Zigbee 3.0 OpenThread 1.4 Aliro 1.0 |
Bluetooth® LE Zigbee 3.0 OpenThread 1.4 Matter 1.5 Aliro 1.0 |
| USB | USB2.0 Full Speed | None | USB2.0 High Speed |
| Connectivity | 1x QSPI, 1x SPI, 2x I²C, 1x UART, 1x LPUART, 1x SAI |
2x SPI, 2x I²C, 3x UART, 1x SAI | 3x SPI, 4x I²C, 4x UART, 1x SAI |
Featured product
NUCLEO-WBA55CG - STM32 Nucleo-64 development board with STM32WBA55CG MCU
NUCLEO-WBA25CE1, NUCLEO-WBA52CG, NUCLEO-WBA55CG, and NUCLEO-WBA65RI are Bluetooth® LE wireless and ultralow-power boards embedding a powerful and ultralow-power radio compliant with the Bluetooth® LE SIG specification, IEEE 802.15.4-2015 PHY and MAC, supporting Thread, Matter, and Zigbee®.
The ARDUINO® Uno V3 connectivity support and the ST morpho headers allow the easy expansion of the functionality of the STM32 Nucleo open development platform with a wide choice of specialized shields.
Features
- Ultralow-power wireless STM32WBA series microcontroller based on the Arm® Cortex®‑M33 core, featuring:
- 512 Kbytes of flash memory and 96 Kbytes of SRAM in a UFQFPN48 package for NUCLEO-WBA25CE1
- 1 Mbyte of flash memory and 128 Kbytes of SRAM in a UFQFPN48 package for NUCLEO-WBA52CG and NUCLEO-WBA55CG
- 2 Mbytes of flash memory and 512 Kbytes of SRAM in a VFQFPN68 package for NUCLEO-WBA65RI
- MCU RF board (MB1863/MB1803/MB2130/MB2293):
- 2.4 GHz RF transceiver supporting Bluetooth® specification v6.0
- IEEE 802.15.4-2015 PHY and MAC, supporting Thread, Matter, and Zigbee® (for NUCLEO-WBA25CE1, NUCLEO-WBA55CG, and NUCLEO-WBA65RI)
- Integrated PCB antenna
- Three user LEDs
- Three user and one reset push-buttons
- 8-pin SOP Quad-SPI NOR flash memory footprint (for NUCLEO-WBA25CE1)
- Board connectors:
- USB Micro-B (NUCLEO-WBA52CG) or USB Type-C® (NUCLEO-WBA25CE1, NUCLEO-WBA55CG, and NUCLEO-WBA65RI)
- ARDUINO® Uno V3 expansion connector
- ST morpho headers for full access to all STM32 I/Os
- Flexible power-supply options: ST-LINK USB VBUS or external sources
- On-board STLINK-V3 debugger/programmer with USB re-enumeration capability: mass storage, Virtual COM port, and debug port
- Comprehensive free software libraries and examples available with the STM32CubeWBA MCU Package
- Support of a wide choice of Integrated Development Environments (IDEs) including IAR Embedded Workbench®, MDK-ARM, and STM32CubeIDE.
Product types
- STM32WBA2x
- STM32WBA5x
- STM32WBA6x
STM32WBA2x - the most affordable STM32 wireless MCU
The STM32WBA2x is the most affordable STM32 wireless MCU supporting the latest protocols (Bluetooth® LE*, IEEE 802.15.4 communication protocols, Zigbee®, and Thread). It delivers a rich feature set in a compact, energy-efficient design, ideal for cost- and energy-sensitive wireless applications.
The line offers a 64 MHz Arm Cortex®-M33 CPU with TrustZone®, 512 Kbytes of flash memory, 96 Kbytes of RAM, and is available in three packages: 32-pin and 48-pin UFQFPN, and 37-pin WLCSP.
It also provides pin-to-pin compatibility with the STM32WBA55Cx (UFQFPN 48 package) and STM32WBA52Kx & STM32WBA54Kx microcontrollers (UFQFPN 32 package), enabling straightforward product cost optimization across generations.
* LE Coded, LE 2M, Extended Advertising, LE 2M, PAwR, LE power control
STM32WBA5x - brings designers flexibility while ensuring enhanced security
Supporting the latest protocols (Bluetooth® LE*, IEEE 802.15.4 communication protocols, Zigbee® and Thread), the STM32WBA5x line brings designers flexibility while ensuring enhanced security. Bluetooth® LE audio streaming is also supported, enabling Auracast™ broadcast technology and new audio experiences.
The lines offers up to 100 MHz Arm Cortex®-M33 CPU with TrustZone®, 1 Mbyte of flash memory, 128 Kbytes of RAM and comes in 4 packages: 32-pin and 48-pin UFQFPN, 41-pin WLCSP, 59-pin UFBGA, and LGA module.
* LE Coded, LE 2M, Extended Advertising, LE Audio, Direction Finding
STM32WBA6x - supports the latest protocols as well as audio streaming
The STM32WBA6x line supports the latest protocols (Bluetooth® LE*, IEEE 802.15.4 communication protocols, Zigbee®, Thread, Matter and Aliro) as well as audio streaming, enabling Auracast™ broadcast technology and new audio experiences.
The line of products offers up to 100 MHz Arm Cortex®-M33 CPU with TrustZone®, up to 2 Mbytes of flash memory and up to 512 Kbytes of RAM, and comes in 4 packages: 48-pin and 68-pin UFQFPN, 88-pin WLCSP, and 121-pin UFBGA.
* LE Coded, LE 2M, Extended Advertising, LE Audio, Direction Finding
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