STM32WBA MCUs: secure connectivity​ for Bluetooth LE 5.4 applications

The performance, efficiency, and security required for Bluetooth® Low Energy 5.4 applications.

The performance, efficiency, and security required for Bluetooth® Low Energy 5.4 applications.

Certified for Bluetooth® Low Energy 5.4, the STM32WBA series enables seamless integration of wireless communication into your device in a cost-effective way.

Based on the Arm Cortex®-M33 core featuring TrustZone® technology, this series provides high level of security, protecting data, IP, and preventing hacks or device cloning.

Leveraging the STM32U5 architecture, the STM32WBA series offers the same digital and analog peripherals, suitable for many applications.



UFQFPN32 5 x 5 mm

512 K / 96 K



UFQFPN32 5 x 5 mm

1 M / 128 K



UFQFPN48 7 x 7 mm

512 K / 96 K



UFQFPN48 7 x 7 mm

1 M / 128 K

Key benefits

High radio power​

Extend far-end communications with enhanced signal strength and a more robust link, thanks to +10dBm output power.

Enhanced security

Implement the highest level of security with TrustZone® and enhance development with system-level certifications.

High performance

New levels of simplicity and efficiency with Arm Cortex®-M33 running up to 100 MHz.

Key features

  • Certified Bluetooth® Low Energy 5.4
  • Ultra-low-power platform, 2.4 GHz radio
  • Long range, 2 Msps, advertising extension
  • Arm® TrustZone®, MPU, DSP, FPU
  • 1 MB flash, 256 KB with 100K cycles
  • 128 KB SRAM, 64 KB parity check
  • PSA3 and SESIP3 target certifications
  • Features a tiny UFQFPN32 package

Suitable for many applications


Smart home

IoT for Smart things

Get started with STM32WBA


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