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STMicroelectronics NUCLEO-WBA55CG
- Part No.:
- NUCLEO-WBA55CG
- Manufacturer:
- STMicroelectronics
- Category:
- RF, RFID, Wireless Evaluation Boards
- Package:
- Datasheet:
-
NUCLEO-WBA55CG.pdf
- Description:
- STM32 NUCLEO-64 DEVELOPMENT BOAR
- Quantity:
- Payment:
- Shipping:
Inventory:199
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Product details
Overview
NUCLEO-WBA55CG from STMicroelectronics is an STM32WBA-series Nucleo-64 development board featuring the STM32WBA55CG microcontroller (Arm® Cortex®-M33, 1 MB Flash, 128 KB SRAM, TrustZone®), integrated 2.4 GHz RF transceiver compliant with Bluetooth® LE v6.0 and IEEE 802.15.4-2015, and on-board ST-LINK V3 debugger. It supports Matter, Thread, and Zigbee® for secure, low-power wireless IoT prototyping.
For engineers reviewing the NUCLEO-WBA55CG datasheet, NUCLEO-WBA55CG pinout, NUCLEO-WBA55CG application, or NUCLEO-WBA55CG equivalent, this board delivers verified RF stack integration, USB Type-C® connectivity, Arduino Uno V3 and ST morpho expansion headers, and out-of-box compatibility with STM32CubeIDE, IAR EWARM, and Keil MDK-ARM toolchains.
Technical Context
The board implements a dual-board architecture: main board (MB1801) hosting USB-C interface, ST-LINK V3, LEDs/buttons, and expansion headers; and dedicated MCU RF mezzanine board (MB1803) integrating the STM32WBA55CG in UFQFPN48, 2.4 GHz transceiver, and PCB antenna. All RF functionality is pre-validated per Bluetooth SIG and Thread Group certification requirements.
It leverages Arm TrustZone® for hardware-enforced secure boot and runtime isolation, supports PSA Certified Level 3 security, and includes factory-programmed cryptographic keys for secure device onboarding in Matter ecosystems - enabling zero-touch commissioning without external HSMs.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| MCU Core | Arm Cortex-M33 with TrustZone, enabling secure firmware execution and peripheral isolation |
| Flash / SRAM | 1 Mbyte Flash + 128 Kbytes SRAM - sufficient for concurrent Matter+Thread stacks plus application logic |
| RF Standard | Bluetooth LE v6.0 + IEEE 802.15.4-2015 PHY/MAC - certified interoperability with Matter 1.3 and Thread 1.3.0 |
| Package | UFQFPN48 (7 × 7 mm, 0.4 mm pitch) - compact footprint for space-constrained IoT sensor nodes |
| Connectivity | USB Type-C® port with ST-LINK V3 (mass storage, VCP, debug) - no driver install required on Windows/macOS/Linux |
| Expansion | Arduino Uno V3 + ST morpho headers - full access to all 48 MCU GPIOs, including RF control and crypto pins |
Availability
NUCLEO-WBA55CG is available at Aetrix Electronics and suitable for Bluetooth LE gateway development, Matter-certified smart home device prototyping, and Thread-based industrial sensor network evaluation requiring stable component supply and long-term design-in support.
Supply support for NUCLEO-WBA55CG includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
STMicroelectronics is a global semiconductor leader headquartered in Geneva, designing and manufacturing microcontrollers, analog ICs, power devices, and sensors for industrial, automotive, and consumer applications.
The STM32WBA series targets ultra-low-power, secure wireless edge devices - specifically engineered to accelerate Matter/Thread/BLE 6.0 product development with integrated radio, hardware security, and certified protocol stacks.
FAQ
Does NUCLEO-WBA55CG support Matter over Thread?
Yes. The board ships with pre-flashed STM32CubeWBA firmware supporting Matter 1.3 over Thread 1.3.0, using the integrated IEEE 802.15.4 transceiver and certified OpenThread stack. Hardware-accelerated AES-128 and SHA-256 enable secure commissioning without external crypto modules.
What debugging interfaces does the on-board ST-LINK V3 provide?
The ST-LINK V3 delivers SWD debug, virtual COM port (VCP), and mass storage programming via single USB Type-C® connection. It supports real-time tracing, secure firmware update, and automatic enumeration as three separate USB devices - eliminating need for additional debug probes or drivers.
Can the onboard RF transceiver operate in proprietary 2.4 GHz modes?
No. The integrated transceiver is configured exclusively for Bluetooth LE v6.0 and IEEE 802.15.4-2015 PHY/MAC compliance. It does not expose raw radio registers or support custom modulation schemes - ensuring regulatory certification integrity and protocol stack stability.
Is external flash memory required to run Matter applications?
No. The 1 Mbyte on-chip flash stores full Matter+Thread+Zigbee® stack binaries, configuration data, and user application code. The board's internal SRAM (128 KB) accommodates concurrent stack operation and application heap - no external Quad-SPI NOR flash is needed for reference use cases.
NUCLEO-WBA55CG Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Series:
- STM32WBA
- Packaging:
- Bulk
- Product Status:
- Active
- Type:
- Transceiver; 802.15.4 (Thread, Zigbee®), Bluetooth® 5.x (BLE)
- Frequency:
- 2.4GHz
- Contents:
- Board(s)
- Utilized IC / Part:
- STM32WBA55CG
NUCLEO-WBA55CG FAQ
1.How can I place an order for NUCLEO-WBA55CG through Aetrix?
Please submit a Request for Quotation (RFQ) for NUCLEO-WBA55CG on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for NUCLEO-WBA55CG reliable?
The price and inventory of NUCLEO-WBA55CG are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for NUCLEO-WBA55CG is usually 5 days.
3.What payment methods are accepted for NUCLEO-WBA55CG?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for NUCLEO-WBA55CG transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for NUCLEO-WBA55CG?
NUCLEO-WBA55CG orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your NUCLEO-WBA55CG order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for NUCLEO-WBA55CG?
For technical support, including NUCLEO-WBA55CG datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your NUCLEO-WBA55CG requirements.
6.How does Aetrix verify that NUCLEO-WBA55CG is sourced from the original manufacturer or authorized distributors?
All NUCLEO-WBA55CG products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that NUCLEO-WBA55CG meets industry standards.
7.What is the process for return or replacement of NUCLEO-WBA55CG?
All NUCLEO-WBA55CG units undergo pre-shipment inspection (PSI). If there is an issue with NUCLEO-WBA55CG, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The NUCLEO-WBA55CG part is unused and in its original packaging.
Return procedure for NUCLEO-WBA55CG:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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