STM32WB55 Eval Board

The STM32WB55CGU6 Evaluation Board is a high-performance development

platform designed for IoT, wireless communication, and embedded system

applications. It is based on the STM32WB55CGU6 microcontroller, which

integrates dual-core processing, Bluetooth 5.0 connectivity, and various

peripheral interfaces.

Microcontroller & Processing Power

● MCU: STM32WB55CGU6

● Architecture: Dual-core ARM Cortex-M4 (main processor) and Cortex-M0+

(wireless processor)

● Operating Frequency: Up to 64 MHz (M4) and 32 MHz (M0+)

● Flash Memory: 1 MB

● RAM: 256 KB

Wireless Communication

● Bluetooth 5.0 & BLE (Low Energy)

● Supports LE 2M, Long Range (LE Coded PHY), and Bluetooth Mesh

● Integrated RF transceiver with onboard PCB antenna and U.FL connector

for an external antenna

Power & Voltage Management

● Operating Voltage: 3.3V

● Power Input Options - USB Type-C (5V) – Primary power source, USB Type-

C (5V) – Primary power source

● Power Regulation: Integrated voltage regulators for stable operation

● Low-Power Modes: Supports multiple power-saving modes for battery-

operated applications

Peripheral Interfaces & Connectivity

● USB 2.0 Full-Speed Interface (for DFU service)

Debugging & Programming:

● External STLink V2/ STLink V3 debugger supported through 6 pin connector

● Onboard Debugger not present. An external debugger is required for

programming the board.

GPIO Expansion Headers:

● Two 14-pin headers for external peripheral connections

● Supports SPI, I2C, UART, PWM, ADC, and DAC

Clock & Timing Features

● High-Speed Clock: 32 MHz main crystal oscillator

● Real-Time Clock (RTC): 32.768 kHz low-power crystal

● Internal Clock Options: Multiple PLL configurations for precise timing

Indicators & User Controls

LED Indicators:

● Power LED

● RGB User LED

Push Buttons:

● Reset Button

● Boot Button (can be used as user switch after boot up)

Security Features

● Secure Boot & Firmware Protection

● AES-128/256 Encryption Engine

● True Random Number Generator (TRNG)

● Secure Firmware Updates via USB

Applications

● IoT and Smart Home Automation

● Industrial Wireless Control Systems

● Bluetooth Low Energy (BLE) Devices

● Wearable and Battery-Powered Gadgets

● Medical & Health Monitoring Devices

Why Choose This Evaluation Board?

● Optimized for IoT and wireless applications

● Dual-core architecture for efficient power and performance

● Integrated BLE 5.0 and secure connectivity options

● Expandable and easy-to-use with various peripherals

● Low power consumption for battery-based projects

This evaluation board is a perfect choice for developers and engineers working on

embedded systems, wireless communication, and IoT applications.

Other resources and Example codes for STM32WB55 Evaluation board can be

found on the GitHub Repo:

https://github.com/FireracerPranay/STM32WB55_Eval_Board_Resources.git