STMicroelectronics STM32WBA54 & STM32WBA55

NUCLEO-WBA52CG and NUCLEO-WBA55CG are Bluetooth® Low Energy wireless and ultra-low-power boards embedding a powerful and ultra‑low‑power radio compliant with the Bluetooth® Low Energy SIG specification v5.3, IEEE 802.15.4-2015 PHY and MAC, supporting Thread®, Chip, 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

• Ultra-low-power wireless STM32WBA5xCG microcontroller based on the Arm^® Cortex^®‑M33 core, featuring 1 Mbyte of flash memory and 128 Kbytes of SRAM in a UFQFPN48 package
• MCU RF board (MB1863/MB1803):
  • 2.4 GHz RF transceiver supporting Bluetooth^® specification v5.3
  • IEEE 802.15.4-2015 PHY and MAC, supporting Thread^®, Chip, and Zigbee^® (for NUCLEO-WBA55CG only)
  • Arm^® Cortex^® M33 CPU with TrustZone^®, MPU, DSP, and FPU
  • Integrated PCB antenna
• Three user LEDs
• Three user and one reset push-buttons
• Board connectors:
  • USB Micro-B (NUCLEO-WBA52CG) or USB Type-C^® (NUCLEO-WBA55CG)
  • ARDUINO^® Uno V3 expansion connector
  • ST morpho headers for full access to all STM32 I/Os
• Flexible power-supply options: ST-LINK USB V_BUS 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 STM32CubeWB MCU Package
• Support of a wide choice of Integrated Development Environments (IDEs) including IAR Embedded Workbench^®, MDK-ARM, and STM32CubeIDE

The STM32WBA55G-DK1 Discovery kit is a complete demonstration and development platform for the STM32WBA55CGU7 microcontroller, featuring an Arm® Cortex®‑M33 core with Arm® TrustZone® and mainline security extension, 1 Mbyte of flash memory, and 128 Kbytes of SRAM, as well as smart peripheral resources.

The STM32WBA55G-DK1 Discovery kit embeds a powerful and ultra-low-power radio compliant with the Bluetooth® Low Energy SIG resources. This Discovery kit enables a wide diversity of applications by exploiting low-power communication, the Bluetooth® SIG isochronous channel feature related to audio capability for Bluetooth® Low Energy Audio, Matter as Border Router, and Zigbee®.

The support for ARDUINO® Uno V3 and STMod+ connectivity provides expansion capabilities with a large choice of specialized add-on boards.

The STM32WBA55G-DK1 Discovery kit integrates an STLINK-V3EC embedded in-circuit debugger and programmer for the STM32 microcontroller with a USB Virtual COM port bridge and comes with the STM32CubeWBA MCU Package, which provides an STM32 comprehensive software HAL library as well as various software examples.

The STM32WBA55G-DK1 Discovery kit leverages the STM32WBA series key assets to enable prototyping for a variety of wireless, low‑energy applications in fitness, metering, industrial, or medical, with state-of-the-art energy efficiency, and higher security.

Features

• Ultra‑low‑power wireless STM32WBA55CGU7 microcontroller based on the Arm^® Cortex^®‑M33 core, featuring 1 Mbyte of flash memory and 128 Kbytes of SRAM in a QFN48 package
• MCU RF board (MB1803):
  • 2.4 GHz RF transceiver supporting Bluetooth^® specification v5.4
  • Bluetooth^® Low Energy specification supporting LE Audio
  • Arm^® Cortex^®‑M33 CPU with Arm^® TrustZone^®, MPU, DSP, and FPU
  • Integrated PCB antenna
• One digital microphone
• OLED display
• One user LED
• User joystick with 4-direction control and selector button
• Reset push-button
• Board connectors:
  • USB Type-C^®
  • One jack socket with stereo line input and one jack socket with stereo output and microphone input
  • Battery
  • Grove
  • MIPI10
  • Tag‑Connect™ 10‑pin footprint
  • ARDUINO^® Uno V3 expansion connector
  • STMod+ expansion connector
• Flexible power-supply options: ST-LINK USB V_BUS or external sources
• On-board STLINK-V3EC 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