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STMicroelectronics STM32WBA54CGU6
- Part No.:
- STM32WBA54CGU6
- Manufacturer:
- STMicroelectronics
- Category:
- RF Transceiver ICs
- Package:
- -
- Datasheet:
-
STM32WBA54CGU6.pdf
- Description:
- UFQFPN 7X7X0.55 48L 0.5 MM PITCH
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Product details
Overview
STM32WBA54CGU6 from STMicroelectronics is a multiprotocol wireless 32-bit MCU based on Arm Cortex-M33 with TrustZone®, FPU, and integrated 2.4 GHz radio supporting Bluetooth LE 6.0 and IEEE 802.15.4 (Thread/Matter/Zigbee®). It delivers -96 dBm RX sensitivity at 1 Mbps BLE, +10 dBm programmable TX power, 1 Mbyte ECC flash, 128-Kbyte SRAM, and operates from 1.71–3.6 V across -40 to 105°C - deployed in secure, battery-powered IoT edge nodes.
For engineers reviewing the STM32WBA54CGU6 datasheet, STM32WBA54CGU6 pinout, STM32WBA54CGU6 application, or STM32WBA54CGU6 equivalent, key selection considerations include BLE/802.15.4 coexistence support, TrustZone-enabled secure firmware upgrade via TF-M, ultra-low-power Stop mode (6.5 µA with 64-Kbyte SRAM), and RF regulatory compliance (FCC Part 15, ETSI EN 300 328).
Technical Context
The device integrates a dual-protocol 2.4 GHz transceiver with hardware packet arbitration for concurrent BLE and IEEE 802.15.4 operation, enabling Matter-over-Thread and Zigbee® mesh coexistence. Its radio supports direction finding (AOA/AOD), isochronous channels (LE Audio Auracast), and long-range modes with integrated balun.
TrustZone® enforces hardware-isolated secure/non-secure worlds, with securable peripherals, memory regions, and I/Os; Root of Trust is established via unique boot entry and Secure Hide Protection Area (HDP), while SFI (Secure Firmware Installation) leverages embedded RSS and RHUK-based secure data storage.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M33 @ up to 100 MHz with TrustZone®, MPU, DSP, and FPU - enables real-time deterministic control with hardware-enforced security partitioning. |
| Wireless Support | Bluetooth LE 6.0 (2M, Coded, Direction Finding, Isochronous Channels) and IEEE 802.15.4-2015 PHY/MAC - supports Thread, Matter, and Zigbee® without external RF IC. |
| RF Performance | RX sensitivity: -96 dBm (BLE 1 Mbps), -97.5 dBm (802.15.4 250 kbps); TX output: +10 dBm in 1 dB steps - meets FCC/ETSI/ARIB regulatory limits with single-crystal timing. |
| Memory | 1 Mbyte flash with ECC (256 Kbytes rated for 100k cycles), 128-Kbyte SRAM (64 KB with parity), 512-byte OTP - ensures code integrity and robust field firmware updates. |
| Power Efficiency | 6.5 µA Stop mode (64-Kbyte SRAM retained), 23 µA/MHz Run mode, 4.4 mA RX / 5.2 mA TX @ 0 dBm - extends battery life in coin-cell or energy-harvested sensor nodes. |
| Security Accelerators | Two AES co-processors (one DPA-resistant), PKA, HASH, NIST SP800-90B-compliant TRNG, 96-bit UID, active tampers - enables certified secure boot and OTA firmware signing. |
| Operating Range | 1.71–3.6 V supply, -40 to +105°C ambient - qualified for industrial and extended-temperature edge deployments. |
Pinout & Package
STM32WBA54CGU6 is housed in a 48-pin UFQFPN package (7 × 7 mm, 0.5 mm pitch), compatible with standard reflow processes and suitable for space-constrained PCB layouts.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD | Main power supply (1.71–3.6 V) | Supplies core, analog, and RF domains; supports SMPS/LDO dynamic switching for optimal efficiency. |
| VSS | Ground reference | Dedicated analog/digital ground pins minimize noise coupling into sensitive RF and ADC paths. |
| PA0–PA15, PB0–PB15, PC0–PC12, PD2 | General-purpose I/Os | Up to 35 GPIOs (most 5 V-tolerant); support wake-up, EXTI, and multiple alternate functions including BLE/802.15.4 antenna control signals. |
| RF_P, RF_N | Differential RF transceiver interface | Direct connection to integrated balun; requires impedance-matched 50 Ω trace routing for regulatory-compliant radiated emission performance. |
| OSC_IN/OSC_OUT | 32 MHz crystal oscillator terminals | Drive external crystal for system clock; supports single-crystal operation with internal load caps - reduces BOM count and layout complexity. |
| BOOT0 | Boot mode selection | Configures boot source (system memory, flash, or SRAM); critical for secure bootloader initialization and DFU recovery sequences. |
Key Features
| Feature | Design Value |
|---|---|
| Multi-protocol radio coexistence | Hardware packet traffic arbitration enables simultaneous BLE and IEEE 802.15.4 operation - essential for Matter-certified border routers and hybrid mesh gateways. |
| TrustZone-enabled secure lifecycle | Root of trust via HDP, RDP-level debug protection, and TF-M integration - enables certified secure firmware installation and remote attestation. |
| FlexPowerControl architecture | Autonomous peripherals (LPTIM, RTC, comparators) remain active in Stop mode with 6.5 µA total current - eliminates need for external wake-up controllers in sensor polling applications. |
| Integrated RF front-end | Built-in balun and single-crystal timing reduce external components by ≥30% - lowers BOM cost and improves RF repeatability across production batches. |
| ART Accelerator with 8-Kbyte cache | Enables zero-wait-state execution from flash at 100 MHz - maintains deterministic real-time response without external RAM or cache coherency overhead. |
Applications
| Smart Home Hub | Industrial Wireless Sensor Node |
|---|---|
Use Scenario: A Matter-certified hub bridging Thread, BLE, and Wi-Fi networks in residential environments. IC Role / Device Role / Timing Role: Primary wireless SoC handling concurrent Thread (802.15.4) and BLE LE Audio streaming with isochronous channel arbitration. Use Value: Single-chip solution eliminates discrete RF transceivers and reduces latency between protocol stacks - accelerating Matter certification and reducing bill-of-materials. | Use Scenario: Battery-powered vibration/temperature monitor deployed in factory machinery with 10-year lifetime requirement. IC Role / Device Role / Timing Role: Ultra-low-power MCU executing predictive maintenance algorithms and transmitting encrypted telemetry via BLE periodic advertising. Use Value: 6.5 µA Stop mode with full SRAM retention and autonomous LPTIM wake-up enables multi-year operation on CR2032 cells - eliminating scheduled battery replacement. |
| Medical Wearable | Energy Management Gateway |
Use Scenario: HIPAA-compliant glucose monitor transmitting real-time biosensor data to smartphones and cloud platforms. IC Role / Device Role / Timing Role: Secure BLE endpoint with TrustZone-protected flash, RHUK-based encryption, and LE Secure Connections pairing. Use Value: Hardware-accelerated AES and PKA ensure end-to-end data confidentiality without CPU overhead - meeting FDA cybersecurity guidance for Class II devices. | Use Scenario: DIN-rail-mounted gateway aggregating Zigbee® smart meters and BLE HVAC controllers in commercial buildings. IC Role / Device Role / Timing Role: Dual-role coordinator supporting Zigbee® PRO mesh formation and BLE peripheral provisioning via smartphone app. Use Value: Integrated 802.15.4 MAC and BLE stack coexistence allows seamless commissioning and firmware updates over both protocols - reducing field service visits by 40%. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar wireless MCU applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Nordic nRF52840 DK | BLE 5.0 only; no native IEEE 802.15.4 or Matter support; lacks TrustZone and hardware PKA. | Suitable for BLE-only consumer accessories; not certified for Matter or Thread deployments. | Select when BLE-only functionality suffices and lower BOM cost is prioritized over multi-protocol flexibility. |
| TI CC2652RB | Integrated 2.4 GHz RF with BAW resonator (no external crystal required); lacks TrustZone and has smaller flash (352 KB). | Optimized for high-volume, cost-sensitive BLE/802.15.4 nodes where crystal-free design simplifies layout. | Prefer for designs requiring minimal external components and where TrustZone security is not mandated. |
Compared with Nordic nRF52840 and TI CC2652RB, STM32WBA54CGU6 uniquely combines Matter-ready multi-protocol radio, Arm TrustZone with TF-M, and industrial-grade temperature range - making it the only choice for certified, secure, and temperature-resilient edge gateways.
Availability
STM32WBA54CGU6 is available at Aetrix Electronics and suitable for smart home hubs, industrial wireless sensors, medical wearables, and energy management gateways requiring stable component supply and long-term manufacturability.
Supply support for STM32WBA54CGU6 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, Switzerland, delivering microcontrollers, power management, sensors, and automotive ICs with emphasis on energy efficiency and functional safety.
The STM32WBA series targets secure, low-power wireless edge devices - designed specifically for Matter, Thread, and BLE 6.0 interoperability in industrial, medical, and smart infrastructure applications.
FAQ
What wireless protocols does STM32WBA54CGU6 natively support without external components?
STM32WBA54CGU6 integrates a single 2.4 GHz transceiver supporting Bluetooth LE 6.0 (including LE Audio, Direction Finding, and Isochronous Channels) and IEEE 802.15.4-2015 PHY/MAC - enabling native Thread, Matter, and Zigbee® operation. No external RF IC, balun, or matching network is required beyond the integrated balun and single 32 MHz crystal.
How does TrustZone implementation differ between STM32WBA54CGU6 and earlier STM32WB series?
Unlike STM32WB's software-managed security, STM32WBA54CGU6 implements Arm TrustZone® at the silicon level with dedicated Global TrustZone Controller (GTZC), secure boot ROM, and hardware-enforced memory/peripheral isolation. It adds Secure Hide Protection Area (HDP), Root Secure Services (RSS), and TF-M compatibility - enabling PSA Certified Level 3 security for firmware updates and data storage.
What is the minimum power consumption in lowest active-retention mode, and what memory remains accessible?
In Stop mode with voltage scaling enabled, STM32WBA54CGU6 consumes 6.5 µA while retaining full contents of 64-Kbyte SRAM, RTC, LPTIMs, and wake-up comparators. The 1 Mbyte flash and remaining 64-Kbyte SRAM are powered down, but all 16 wake-up pins remain functional - enabling sub-second sensor polling without full wake-up latency.
Does STM32WBA54CGU6 require external components for RF regulatory compliance?
No external balun or matching network is required: the integrated balun and single 32 MHz crystal meet FCC Part 15, ETSI EN 300 328, and ARIB STD-T66 requirements when implemented per ST's AN5517 layout guidelines. Only a 50 Ω RF trace to antenna and proper grounding are needed - eliminating tuning components and reducing time-to-certification.
STM32WBA54CGU6 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Series:
- -
- Package/Case:
- -
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- -
- Type:
- -
- RF Family/Standard:
- -
- Protocol:
- -
- Modulation:
- -
- Frequency:
- -
- Data Rate (Max):
- -
- Power - Output:
- -
- Sensitivity:
- -
- Memory Size:
- -
- Serial Interfaces:
- -
- GPIO:
- -
- Voltage - Supply:
- -
- Current - Receiving:
- -
- Current - Transmitting:
- -
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- -
STM32WBA54CGU6 FAQ
1.How can I place an order for STM32WBA54CGU6 through Aetrix?
Please submit a Request for Quotation (RFQ) for STM32WBA54CGU6 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 STM32WBA54CGU6 reliable?
The price and inventory of STM32WBA54CGU6 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STM32WBA54CGU6 is usually 5 days.
3.What payment methods are accepted for STM32WBA54CGU6?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STM32WBA54CGU6 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for STM32WBA54CGU6?
STM32WBA54CGU6 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your STM32WBA54CGU6 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 STM32WBA54CGU6?
For technical support, including STM32WBA54CGU6 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STM32WBA54CGU6 requirements.
6.How does Aetrix verify that STM32WBA54CGU6 is sourced from the original manufacturer or authorized distributors?
All STM32WBA54CGU6 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 STM32WBA54CGU6 meets industry standards.
7.What is the process for return or replacement of STM32WBA54CGU6?
All STM32WBA54CGU6 units undergo pre-shipment inspection (PSI). If there is an issue with STM32WBA54CGU6, 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 STM32WBA54CGU6 part is unused and in its original packaging.
Return procedure for STM32WBA54CGU6:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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