ST NUCLEO-WB55RG STM32WB Bedienungsanleitung

UM2819

User manual

STM32WB Nucleo-64 board (MB1355)

Introduction

The NUCLEO-WB55RG STM32WB Nucleo-64 board based on the MB1355 board is a Bluetooth® Low Energy wireless

and ultra-low-power device embedding a powerful and ultra-low-power radio compliant with the Bluetooth® Low Energy SIG

specification v5.2 and IEEE802.15.4-2011 PHY and MAC is supported.

The ARDUINO® Uno V3 connectivity support and the ST morpho headers provide an easy means of expanding the functionality

of the STM32WB Nucleo open development platform with a wide choice of specialized shields.

Figure 1. NUCLEO-WB55RG top view

Picture is not contractual.

UM2819 - Rev 1 –March 2022

For further information contact your local STMicroelectronics sales office.

www.st.com

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Features

1 Features

•STM32WB55RG (1-Mbytes Flash memory, 256-Kbyte SRAM, in VFQFPN68 package) ultra‑low‑power

wireless microcontroller featuring:

–Dual-core 32‑bit (Arm® Cortex®-M4 and dedicated M0+ CPU for real-time radio layer)

–2.4 GHz RF transceiver supporting Bluetooth® specification v5.2

•Three user LEDs

•One reset and three user push-buttons

•Board connectors:

–ARDUINO® Uno V3 expansion connector

–ST morpho extension pin headers for full access to all STM32WB I/Os

•Integrated PCB antenna and SMA connector footprint

•Flexible power-supply options: ST-LINK, USB VBUS, or external sources

•On-board footprint to mount a CR2032 battery socket

•On-board ST-LINK/V2-1 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, STM32CubeIDE

Note: Arm is a registered trademark of Arm Limited (or its subsidiaries) in the US and/or elsewhere.

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Ordering information

2 Ordering information

To order the NUCLEO-WB55RG Nucleo-64 board, refer to Table 1. Additional information is available from the

datasheet and reference manual of the target STM32.

Table 1. Ordering information

Order code

Board reference

Target STM32

NUCLEO-WB55RG

MB1355

STM32WB55RG

2.1 Codification

The meaning of the codification is explained in Table 2.

Table 2. Codification explanation

NUCLEO-XXRYTZ

Description

Example: NUCLEO-WB55RG

MCU series in STM32 32-bit Arm Cortex MCUs

Wireless Bluetooth® STM32WB Series

Product line in the Series

STM32WBx5 product line

Product‑specific in the product line:

•1: Die 1, full set of features

STM32WB55 MCU family

STM32 package pin count:

•R for 68 pins

68‑pin package

STM32 Flash memory size:

•G for 1 Mbytes

1‑Mbyte Flash memory

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Development environment

3.1

System requirements

•Multi‑OS support: Windows® 10, Linux® 64-bit, or macOS®

•USB Type-A or USB Type-C® to Micro-B cable

Note:

macOS® is a trademark of Apple Inc. registered in the U.S. and other countries.

Linux® is a registered trademark of Linus Torvalds.

All other trademarks are the property of their respective owners.

3.2

Development toolchains

•IAR Systems® - IAR Embedded Workbench®(1)

•Keil® - MDK-ARM(1)

•STMicroelectronics - STM32CubeIDE

1. On Windows® only.

3.3 Demonstration software

The demonstration software, included in the STM32Cube MCU Package corresponding to the on-board

microcontroller, is preloaded in the STM32 Flash memory for easy demonstration of the device peripherals in

standalone mode. The latest versions of the demonstration source code and associated documentation can be

downloaded from www.st.com.

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Conventions

4 Conventions

Table 3 provides the conventions used for the ON and OFF settings in the present document.

Table 3. ON/OFF convention

Convention

Definition

Jumper JPx ON

Jumper fitted

Jumper JPx OFF

Jumper not fitted

Jumper JPx [1-2]

Jumper fitted between Pin 1 and Pin 2

Solder bridge SBx ON

SBx connections closed by 0 Ω resistor

Solder bridge SBx OFF

SBx connections left open

Resistor Rx ON

Resistor soldered

Resistor Rx OFF

Resistor not soldered

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Safety recommendations

5 Safety recommendations

5.1 Targeted audience

This product targets users with at least basic electronics or embedded software development knowledge such as

engineers, technicians, or students. This board is not a toy and is not suited for use by children.

5.2 Handling the board

This product contains a bare printed circuit board and like all products of this type, the user must be careful about

the following points:

•The connection pins on the board may be sharp, be careful when handling the board to avoid hurting

yourself

•This board contains static sensitive devices. To avoid damaging it, handle the board in an ESD‑proof

environment.

•While powered, do not touch the electric connections on the board with your fingers or anything conductive.

The board operates at a voltage level that is not dangerous, but components may be damaged when

shorted.

•Do not put any liquid on the board and avoid operating the board close to water or at a high humidity level.

•Do not operate the board if dirty or dusty.

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Quick start

6 Quick start

This section describes how to quickly start development using NUCLEO-WB55RG.

To use the product, the user must accept the Evaluation Product License Agreement from the www.st.com/

epla webpage. For more information on the STM32WB Nucleo-64 board and demonstration software, visit the

www.st.com/stm32nucleo webpage.

Before the first use, make sure that no damage has occurred to the board during shipment:

•All socketed components must be firmly secured in their sockets.

•Nothing must be loose in the board blister.

The Nucleo board is an easy-to-use development kit to quickly evaluate and start development with an STM32

microcontroller in a QFN48 package.

6.1 Getting started

Follow the sequence below to configure the STM32WB Nucleo-64 board and launch the demonstration

application (Refer to Figure 3 for component location):

1. Check jumper positions on board: JP2, JP3, JP4, and JP6 ON, JP1 (Power source) on USB_STL, all JP5

jumpers ON except for GND.

2. Install the STMicroelectronics Bluetooth® Low Energy sensor mobile application on a Bluetooth® Low

Energy compatible mobile device from App Store® or Google Play™.

3. Connect the Nucleo board to a PC with a USB Type-A or USB Type-C® to Micro-B cable through CN15 USB

ST-LINK connector. Once powered on, the LD2 green LED blinks for each advertising interval –timeout after

one minute.

4. Use the STMicroelectronics Bluetooth® Low Energy sensor mobile application to detect the STM32WB P2P

server (P2PSRV1) and connect it. Once connected, the LD2 green LED blinks for each connection interval.

The smartphone application displays the device's service and characteristics.

5. Pushing the B1 button on the board toggles the alarm on the smartphone display. Pushing the B2 button

changes the connection interval (50 ms, 1 s). The effect is visible directly on the LD2 green LED of the

Nucleo board. On the smartphone, push the lamp to switch ON or OFF the Nucleo board LD1 blue LED. For

more details, refer to the user manual STM32CubeWB Nucleo demonstration firmware (UM2551).

6. The demonstration software and several software examples showing how to use the STM32 Nucleo features

are available from the NUCLEO-WB55RG product location.

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Hardware layout and configuration

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7 Hardware layout and configuration

The NUCLEO-WB55RG Nucleo-64 board is designed around the STM32WB55RG microcontroller. The hardware

block diagram in Figure 2 illustrates the connection between NUCLEO-WB55RG and its peripherals (ARDUINO®

Uno V3 connector, ST morpho connector, and embedded ST-LINK).

Figure 3 to Figure 5 help the user to locate these features on the NUCLEO-WB55RG board. The mechanical

dimensions of the NUCLEO-WB55RG product are shown in Figure 6.

Figure 2. Hardware block diagram

PCB

Antenna

STLink V2.1

USB

STLink

LDO

5V to 3V

Level Shifter

ESD

Protection

USB

User

ESD

protection

3x LEDs

3x Push Button

Arduino Extension

Connectors

32MHz

Crystal

Morphos Extension Connectors

LDO

5V to 3V

CR2032 Li

Battery

Power Selector

STM32WB55 Filter

Matching

32kHz768

Crystal

LDO

12V to 5V

Board Power

External

Power

Supply

(Optional)

Reset

Push

Button

External

Power

Supply

(Optional)

STM32WB55

Debug

RF Path

GPIOs

Power Managment

MB1355

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Hardware layout and configuration

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Figure 3. NUCLEO-WB55RG PCB top side

Figure 4. NUCLEO-WB55RG PCB with details of the main part (SoC and RF)

ST Restricted

View of STM32WB55RG

after removing the shield,

HSE Crystal (32MHz)

LSE Crystal (32.768KHz)

External Components of SMPS

MLPF-WB55-01E3

(Matching Network & Filter)

U1 STM32WB55RG

ST Restricted

Footprint for

SMA connector

(optional)

PCB Antenna

L1/C37 Matching network

CN5 digital 8-15 ARDUINO®

CN9 digital 0-7 ARDUINO®

CN8 analog 0-5 ARDUINO®

CN6 power ARDUINO®

CN10 MORPHO

CN7 MORPHO

CN15 USB_STLINK

U8 STLINK MCU

LD6 STLINK Status

LD1, LD2, LD3 user LEDs

B1, B2, B3 user push-buttons

B4 Reset push-button

Connector Footprint for

external battery (optional)

LD4 STLink power fault LED

LD5 5V-enable LED

JP1 5V-source selector

JP2 VDD jumper

JP4 VDDRF jumper

JP6 VDDSMPS jumper

JP3 VDD_MCU jumper

JP5 STLINK jumpers

CN1 USB_MCU

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Hardware layout and configuration

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Figure 5. NUCLEO-WB55RG PCB bottom side

ST Restricted

CN15 USB_STLINK SW5 Switch for external power supply

Footprint for CR2032 battery socket

(optional: not assembly by default)

CN1 USB_MCU

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