STM32WB55CGU6 Evaluation Board (BLE 5.0 + Mesh)

Description

Overview

The STM32WB55CGU6 Evaluation Board is designed for wireless embedded development where you need Bluetooth Low Energy (BLE) 5.0, low power modes, and flexible peripheral expansion. It is based on STM32WB55CGU6, offering a dual-core architecture (Cortex-M4 for application + Cortex-M0+ for wireless stack) for efficient performance and power management.

Key Highlights

• MCU: STM32WB55CGU6 (Dual-core Cortex-M4 + Cortex-M0+).

• Wireless: Bluetooth 5.0 / BLE with LE 2M, Long Range (LE Coded PHY), Bluetooth Mesh.

• Memory: 1 MB Flash, 256 KB RAM.

• Power: 3.3V operation; input via USB Type-C (5V) or 5V header; low-power modes supported.

• Debug: SWD, supports SEGGER J-Link / external debuggers.

• Expansion: Two 14-pin headers; supports SPI/I2C/UART/PWM/ADC/DAC.

• Clocking: 32 MHz main crystal; 32.768 kHz RTC crystal; PLL options.

• Indicators/Controls: Power LED, RGB LED, Reset + BOOT buttons.

• Security: Secure boot, AES-128/256 engine, TRNG, secure firmware updates via USB.

Typical Applications

• IoT & smart home nodes

• Industrial wireless control

• BLE devices and wearables

• Medical/health monitoring prototypes

FAQ section (helps ranking a lot)

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1. Does this board support Bluetooth Mesh?
   Yes, BLE 5.0 features include Bluetooth Mesh support.

2. Can I use a J-Link for programming/debugging?
   Yes, the board supports SWD and external debuggers including SEGGER J-Link.

3. How is the board powered?
   USB Type-C (5V) is the primary source; a 5V expansion header can also be used.

4. What are the memory specs?
   1 MB Flash and 256 KB RAM.

5. Does it have security features for secure IoT?
   It supports secure boot, AES-128/256, TRNG, and secure firmware updates via USB.