My Inquiry
My Account
STMicroelectronics STM32WBA54CGU7
- Part No.:
- STM32WBA54CGU7
- Manufacturer:
- STMicroelectronics
- Category:
- RF Transceiver ICs
- Package:
- -
- Datasheet:
-
STM32WBA54CGU7.pdf
- Description:
- UFQFPN 7X7X0.55 48L 0.5 MM PITCH
- Quantity:
- Payment:
- Shipping:
Inventory:1,461
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
STM32WBA54CGU7 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 (Core Spec 6.0), IEEE 802.15.4 (Thread/Matter/Zigbee®), RX sensitivity of −96 dBm (BLE 1 Mbps) and −97.5 dBm (802.15.4 250 kbps), programmable +10 dBm output power, and ultra-low-power operation down to 160 nA in Standby mode. It targets secure, battery-powered IoT edge nodes requiring concurrent protocol support and cryptographic integrity.
For engineers reviewing the STM32WBA54CGU7 datasheet, STM32WBA54CGU7 pinout, STM32WBA54CGU7 application, or STM32WBA54CGU7 equivalent, this page delivers verified RF performance metrics, TrustZone-enabled security architecture, FlexPowerControl low-power modes, and WLCSP41 package-specific pin mapping - all critical for BLE/Thread gateway design, Matter-certified sensor hubs, and secure wireless node validation.
Technical Context
The device integrates a dual-protocol 2.4 GHz transceiver with hardware packet arbitration, isochronous channel support (Auracast/Unicast, AoA/AoD), and integrated balun - eliminating external RF matching components. Its radio subsystem operates independently under PTA (Packet Traffic Arbitration) coordination with the Cortex-M33 core.
TrustZone® enforces hardware-isolated secure/non-secure worlds across memory (1 MB Flash with ECC, 128 KB SRAM), peripherals (SAI, UARTs, I²C, SPI), and cryptographic accelerators (dual AES, PKA, HASH, TRNG). The ART Accelerator enables zero-wait-state execution at 100 MHz via 8 KB instruction cache.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | Arm Cortex-M33 @ up to 100 MHz with TrustZone, FPU, MPU, DSP |
| Radio Protocols | Bluetooth LE 5.3 (2M, Coded, Direction Finding, LE Audio, Mesh), IEEE 802.15.4-2015 (Thread, Matter, Zigbee) |
| RF Sensitivity | −96 dBm @ BLE 1 Mbps; −97.5 dBm @ 802.15.4 250 kbps - enables robust link budget in dense RF environments |
| Output Power | Programmable +10 dBm in 1 dB steps - supports regulatory compliance and range optimization |
| Low-Power Modes | 160 nA Standby (16 wake-up pins); 0.9 µA Standby w/ 64 KB SRAM retention; 6.5 µA Stop w/ 64 KB SRAM |
| Security | Arm TrustZone, Secure Firmware Installation (SFI), Root Hardware Unique Key (RHUK), DPA-resistant AES/PKA/HASH, NIST SP800-90B TRNG |
| Analog Peripherals | 12-bit ADC @ 2.5 MSPS (16-bit oversampling), 2× ultra-low-power comparators, touch sensing controller (20 sensors) |
Pinout & Package
STM32WBA54CGU7 uses a 41-ball WLCSP (2.76 × 2.98 mm, pitch 0.4 mm), optimized for space-constrained IoT endpoints. Ball layout supports single-crystal 32 MHz/32 kHz operation, integrated balun RF interface, and 5 V-tolerant GPIOs (up to 35).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD | Main power supply | 1.71–3.6 V analog/digital rail; powers core, radio, and peripherals |
| VSS | GND reference | Dedicated analog/digital ground plane connection point |
| RF_P / RF_N | Differential RF transceiver interface | Direct connection to integrated balun; no external matching required |
| OSC_IN / OSC_OUT | 32 MHz crystal oscillator terminals | Supports single-ended crystal; enables precise timing for BLE/802.15.4 symbol clocks |
| LSE_IN / LSE_OUT | 32.768 kHz RTC crystal terminals | Enables sub-second timekeeping and low-power wake-up scheduling |
| BOOT0 | Boot mode selection | Pulled low for main flash boot; essential for production firmware recovery |
| NRESET | Active-low reset input | Asynchronous system reset; compatible with pushbutton or supervisor IC assertion |
| PA0–PA15, PB0–PB15, PC0–PC5 | General-purpose I/O | Up to 35 pins; most 5 V-tolerant; support multiple alternate functions (UART, SPI, I²C, SAI) |
Key Features
| Feature | Design Value |
|---|---|
| Integrated Balun | Eliminates external RF matching network, reducing BOM count and PCB area by ≥3 components |
| FlexPowerControl Architecture | Enables autonomous peripheral operation (DMA, timers, comparators) in Stop mode without CPU wake-up |
| PTA (Packet Traffic Arbitration) | Hardware-coordinated time-slicing between BLE and 802.15.4 stacks - prevents RF collision in dual-protocol operation |
| Secure Firmware Installation (SFI) | Root-secured over-the-air update path using embedded RSS (Root Secure Services) and RHUK-based key binding |
| ART Accelerator | 8 KB instruction cache enabling 0-wait-state execution from flash at 100 MHz - reduces code latency and power vs. RAM execution |
Applications
| Smart Home Sensor Hub | Industrial Wireless Node |
|---|---|
Use Scenario: Battery-powered temperature/humidity/motion sensor aggregating data via Matter-over-Thread for cloud synchronization. IC Role / Device Role / Timing Role: Primary wireless SoC handling concurrent Thread networking, BLE commissioning, and local sensor fusion. Use Value: Integrated 802.15.4 PHY/MAC and TrustZone-secured Matter stack reduce firmware complexity and certification risk while enabling 10+ year battery life via 160 nA Standby. | Use Scenario: Predictive maintenance node monitoring vibration, current, and temperature on rotating machinery in factory settings. IC Role / Device Role / Timing Role: Edge AI inference accelerator interfacing with MEMS sensors and transmitting alerts via BLE mesh to gateway. Use Value: Dual AES co-processors accelerate encrypted feature extraction; low-power timers and comparators enable event-driven sampling without CPU intervention. |
| Medical Wearable Gateway | Energy-Efficient Audio Beacon |
Use Scenario: Patch-style wearable collecting ECG/SpO₂ data and relaying to smartphone via BLE LE Audio broadcast. IC Role / Device Role / Timing Role: Secure BLE audio endpoint with Auracast support and hardware-isolated health data processing. Use Value: TrustZone-enforced separation of sensor firmware, audio codec, and secure storage prevents cross-domain data leakage; 4.4 mA Rx current extends runtime per charge cycle. | Use Scenario: Retail proximity beacon broadcasting product info via Bluetooth LE Isochronous Channels to nearby smartphones. IC Role / Device Role / Timing Role: Low-latency, high-reliability BLE transmitter with precise timing control for synchronized audio streaming. Use Value: Programmable +10 dBm output and −96 dBm sensitivity ensure consistent 30 m coverage in multi-path indoor environments; 23 µA/MHz Run mode minimizes thermal load. |
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 | ARM Cortex-M4F @ 64 MHz; no IEEE 802.15.4 MAC; BLE-only radio; no TrustZone; 2.4 GHz RX sensitivity −95 dBm | Best suited for BLE-centric designs without Thread/Matter requirements; lacks hardware-accelerated crypto for Matter provisioning | Select when BLE-only functionality suffices and cost-sensitive prototyping is prioritized over multi-protocol readiness |
| Silicon Labs EFR32MG24 | ARM Cortex-M33 @ 78 MHz; supports BLE/Thread/Zigbee; no TrustZone; RX sensitivity −102.9 dBm (802.15.4); no integrated balun | Higher RF sensitivity but requires external balun and discrete crypto offload; lacks unified secure boot and SFI framework | Prefer for long-range 802.15.4 mesh where sensitivity outweighs BOM simplification and security depth |
Compared with Nordic nRF52840 and Silicon Labs EFR32MG24, STM32WBA54CGU7 uniquely combines TrustZone-enforced security partitioning, integrated balun, PTA-based dual-protocol arbitration, and SFI-certifiable OTA updates - making it optimal for Matter-compliant, production-grade IoT endpoints demanding both regulatory compliance and cryptographic assurance.
Availability
STM32WBA54CGU7 is available at Aetrix Electronics and suitable for smart home sensor hubs, industrial wireless nodes, medical wearables, and energy-efficient audio beacons requiring stable component supply, full lifecycle traceability, and long-term availability assurance.
Supply support for STM32WBA54CGU7 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 ICs, sensors, and analog solutions for industrial, automotive, and consumer markets.
The STM32WBA series is ST's first wireless MCU family built on Arm Cortex-M33 with TrustZone, explicitly engineered for Matter- and Thread-certified IoT endpoints requiring hardware-rooted security, ultra-low-power operation, and seamless multi-protocol RF integration.
FAQ
What radio certifications does STM32WBA54CGU7 support out-of-the-box?
STM32WBA54CGU7 is designed to meet ETSI EN 300 328, EN 300 440, FCC CFR47 Part 15, and ARIB STD-T66 regulatory requirements. Its integrated balun, calibrated TX power, and documented RF characteristics simplify end-product certification - though final approval requires system-level testing with the host PCB antenna and enclosure.
Does STM32WBA54CGU7 support concurrent BLE and Thread operation?
Yes - via hardware Packet Traffic Arbitration (PTA), which dynamically schedules airtime between BLE and IEEE 802.15.4 stacks. This eliminates RF collisions and enables true concurrent protocol operation without software-level contention management or degraded throughput.
How is TrustZone implemented in STM32WBA54CGU7 for secure firmware updates?
TrustZone isolates secure world resources (HDP, RSS, RHUK) used by Secure Firmware Installation (SFI). Updates are cryptographically verified using embedded root services before writing to protected flash regions - preventing unauthorized code injection even if non-secure firmware is compromised.
What is the minimum external component count needed for basic RF operation?
Only a single 32 MHz crystal (with load capacitors), a 32.768 kHz RTC crystal (optional), and DC blocking capacitor on RF_P/RF_N are required. The integrated balun eliminates external matching networks, reducing typical RF BOM to ≤5 passive components versus ≥12 for discrete transceiver solutions.
STM32WBA54CGU7 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:
- -
STM32WBA54CGU7 FAQ
1.How can I place an order for STM32WBA54CGU7 through Aetrix?
Please submit a Request for Quotation (RFQ) for STM32WBA54CGU7 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 STM32WBA54CGU7 reliable?
The price and inventory of STM32WBA54CGU7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STM32WBA54CGU7 is usually 5 days.
3.What payment methods are accepted for STM32WBA54CGU7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STM32WBA54CGU7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for STM32WBA54CGU7?
STM32WBA54CGU7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your STM32WBA54CGU7 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 STM32WBA54CGU7?
For technical support, including STM32WBA54CGU7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STM32WBA54CGU7 requirements.
6.How does Aetrix verify that STM32WBA54CGU7 is sourced from the original manufacturer or authorized distributors?
All STM32WBA54CGU7 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 STM32WBA54CGU7 meets industry standards.
7.What is the process for return or replacement of STM32WBA54CGU7?
All STM32WBA54CGU7 units undergo pre-shipment inspection (PSI). If there is an issue with STM32WBA54CGU7, 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 STM32WBA54CGU7 part is unused and in its original packaging.
Return procedure for STM32WBA54CGU7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
STM32WBA54CGU7 Tags
-
ESP32-D0WD-V3
Espressif Systems
-
ESP8266EX
Espressif Systems
-
ESP32-S3
Espressif Systems
-
NRF24L01P-R7
Nordic Semiconductor ASA
-
NRF24L01P-R
Nordic Semiconductor ASA
-
ESP32-U4WDH
Espressif Systems
-
DA14531-00000OG2
Renesas
-
ESP32-C6FH4
Espressif Systems
-
DA14531-00000FX2
Renesas
-
NRF24L01P-T
Nordic Semiconductor ASA
-
NRF52810-QCAA-R
Nordic Semiconductor ASA
-
ESP32-S3FN8
Espressif Systems
Tech Hub
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
