ST P-NUCLEO-WB55 Manuel utilisateur

April 2019 UM2435 Rev 2 1/48

UM2435

User manual

Bluetooth®Low Energy and 802.15.4 Nucleo pack

based on STM32WB Series microcontrollers

Introduction

The Nucleo pack (P-NUCLEO-WB55) with a Nucleo-68 board and a USB dongle provides

an affordable and flexible way for users to try out new concepts and build prototypes using

STM32WB microcontrollers with a 2.4 GHz radio interface.

This circuit block provides various combinations of performance, power consumption and

features. A 2.4 GHz RF transceiver supporting Bluetooth®specification v5.0 and IEEE

802.15.4-2011 PHY and MAC is supported.

Arduino™ Uno V3 connectivity and ST morpho headers allow the user to easily expand the

functionality of the Nucleo open development platform with a wide choice of specialized

shields.

The boards are based on a multiprotocol wireless 32-bit microcontroller, based on an Arm®

Cortex®-M4 with FPU, featuring Bluetooth®Low Energy and 802.15.4 radio solution.

The STM32 Nucleo-68 board does not require any separate probe, as it integrates the

ST-LINK/V2-1 debugger/programmer. The board comes with the comprehensive free

STM32 software libraries and examples available with the STM32Cube package.

The USB dongle can be programmed through USB BootLoad or USB DFU. It is also

possible to debug/program it with an external STLink V2 (not delivered), using the SWD

interface.

www.st.com

Contents UM2435

2/48 UM2435 Rev 2

Contents

1 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

2 Product marking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

3 System requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

4 Development toolchains . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

5 Demonstration software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

6 Ordering information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

7 Hardware layout and configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

7.1 Nucleo-68 board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

7.2 USB dongle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

7.3 Getting started . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

7.3.1 Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

7.3.2 Quick start . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

7.3.3 Default boards configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

7.4 Embedded ST-LINK/V2-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

7.4.1 Drivers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

7.4.2 ST-LINK/V2-1 firmware upgrade . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

7.5 Power supply and selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

7.5.1 External power supply input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

7.5.2 External power supply output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

7.5.3 Internal power supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

7.6 Programing/debugging when the power supply

is not from USB ST-LINK (5V_ST_link) . . . . . . . . . . . . . . . . . . . . . . . . . . 31

7.7 OSC clock sources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

7.7.1 LSE: OSC 32 kHz clock supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

7.7.2 OSC clock supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

7.8 Reset sources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

7.9 Virtual COM port: LPUART/USART . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

7.10 LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

UM2435 Rev 2 3/48

UM2435 Contents

7.11 Push buttons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

7.12 Current measurement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

7.13 Jumper configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

8 Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

8.1 USB ST-LINK micro-B connector CN15 . . . . . . . . . . . . . . . . . . . . . . . . . . 36

8.2 Arduino™ Uno revision 3 connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

8.3 ST Morpho connectors CN7 and CN10 . . . . . . . . . . . . . . . . . . . . . . . . . . 40

8.4 Extension connectors CN1 and CN2 on USB dongle . . . . . . . . . . . . . . . 41

Appendix A Nucleo-68 and USB dongle MCU IO assignment . . . . . . . . . . . . . . 42

9 Federal Communications Commission (FCC) and

Industry Canada (IC) compliance statements . . . . . . . . . . . . . . . . . . . . 45

9.1 FCC compliance statement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

9.2 IC compliance statement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

10 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

List of tables UM2435

4/48 UM2435 Rev 2

List of tables

Table 1. Ordering information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Table 2. Example of codification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Table 3. Jumper and SB ON/OFF conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Table 4. Default jumper configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Table 5. Power sources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

Table 6. SB25 bypass USB PWR protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

Table 7. LPUART1 and USART1 connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

Table 8. Configuration of jumpers and solder bridges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

Table 9. USB STLINK micro-B pinout (connector CN15) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

Table 10. Arduino™ connectors pinout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

Table 11. IO assignment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

Table 12. Document revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

UM2435 Rev 2 5/48

UM2435 List of figures

List of figures

Figure 1. Nucleo-68 and USB dongle boards (top view on the left, bottom view on the right). . . . . . . 7

Figure 2. Nucleo-68 hardware block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Figure 3. Nucleo-68 board (top view). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Figure 4. Nucleo-68 board (bottom view). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Figure 5. Nucleo-68 board mechanical drawing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Figure 6. Nucleo-68 board schematics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Figure 7. Nucleo-68 board schematics - RF part . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Figure 8. Nucleo-68 board schematics - Connectors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Figure 9. Nucleo-68 board schematics - Power management. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Figure 10. Nucleo-68 board schematics - ST-Link/V2-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Figure 11. USB dongle hardware block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Figure 12. USB dongle board (top view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Figure 13. USB dongle board (bottom view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Figure 14. USB dongle mechanical drawing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Figure 15. USB dongle schematics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Figure 16. USB composite device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Figure 17. ST-LINK debugger: JP1 configuration for on-board MCU . . . . . . . . . . . . . . . . . . . . . . . . . 26

Figure 18. JP1[7-8]: 5V_STL power source. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

Figure 19. JP1[3-4]: 5V_VIN power source . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Figure 20. JP1[5-6]: 5V_USB_MCU power source . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

Figure 21. USB STLINK micro-B connector CN15 (front view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

Figure 22. Arduino™ connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

Figure 23. Arduino™ connector pinout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

Figure 24. ST-Morpho connector pinout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

Figure 25. Extension connectors pinout. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

Features UM2435

6/48 UM2435 Rev 2

1 Features

The Nucleo-68 pack uses STM32WB 32-bit microcontrollers, based on Arm®(a) Cortex®

processor(s).

Nucleo-68

•STM32WB microcontroller in VFQFNP68 package

•2.4 GHz RF transceiver supporting Bluetooth®specification v5.0 and

IEEE 802.15.4-2011 PHY and MAC

•Dedicated Arm®32-bit Cortex®M0+ CPU for real-time Radio layer

•SMPS significantly reduces power consumption in Run mode

•Three user LEDs shared with Arduino™

•Four push-buttons

•32.768 KHz LSE crystal oscillator

•32 MHz crystal oscillator with integrated trimming capacitors

•Board expansion connectors:

– Arduino™ Uno V3

–STMorpho

•Flexible board power supply: ST-LINK/V2-1 USB VBUS and external sources

•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 a variety of

examples, as part of the STM32Cube package

•Comprehensive free software libraries and examples available with the STM32Cube

package

•Support of a wide choice of integrated development environments (IDEs) including

IAR™, Keil®, GCC-based IDEs, Arm®Mbed™

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

UM2435 Rev 2 7/48

UM2435 Features

USB dongle

•STM32WB microcontroller in UFQFPN48 package

•2.4 GHz RF transceiver supporting Bluetooth®specification v5.0 and

IEEE 802.15.4-2011 PHY and MAC

•Dedicated Arm®32-bit Cortex®M0+ CPU for real-time Radio layer

•SMPS significantly reduces power consumption in Run mode

•32.768 KHz LSE crystal oscillator

•32 MHz crystal oscillator with integrated trimming capacitors

•Full Bluetooth®solution with integrated PCB antenna for fast connection

•Switch for boot management

•User push button

•Three user LEDs

Figure 1. Nucleo-68 and USB dongle boards (top view on the left, bottom view on the right)

Note: Pictures are not contractual.

Product marking UM2435

8/48 UM2435 Rev 2

2 Product marking

Evaluation tools marked as “ES” or “E” are dedicated for evaluation purpose only, and not

qualified to be used as reference design or in production. Any consequences deriving from

such usage will not be at ST charge. In no event, ST will be liable for any customer usage of

these engineering sample tools as reference design or in production.

“E” or “ES” marking examples of location:

•on the targeted MCU soldered on the board (for illustration of STM32WB marking, refer

to the section “Package characteristics” of the datasheet)

•next to the evaluation tool ordering part number, stuck or silk-screen printed on the

board.

3 System requirements

•Windows®OS (XP, 7, 8 or 10) or Linux 64-bit or Mac OS X

•USB Type-A to Micro-B cable

4 Development toolchains

•Arm®Keil®: MDK-Arm™(a)

•IAR™: EWARM(a)

•GCC-based IDEs including free SW4STM32 from AC6

•Arm®mbed™ online

5 Demonstration software

The demonstration software is preloaded in the Flash memory of the STM32WB

microcontroller 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 the www.st.com/stm32nucleo webpage.

a. On Windows®only.

UM2435 Rev 2 9/48

UM2435 Ordering information

6 Ordering information

To order the Nucleo-68 board corresponding to the targeted STM32 MCU refer to Ta ble 1.

The STM32WB55 codification is explained with an example in Table 2.

Table 1. Ordering information

Order code Target MCU

P-NUCLEO-WB55 STM32WB55RG (Nucleo-68)

STM32WB55CG (USB dongle)

Table 2. Example of codification

STM32WB55RG Description

STM32WB 32-bit microcontroller, based on Arm®Cortex®processor(s)

WB Wireless Bluetooth®and 802.15.4

55 Die 5, 1 Mbyte of Flash memory, 256 Kbytes of SRAM, full set of features

R Number of pins (R = 68)

G Memory size (G = 1 Mbyte)

Hardware layout and configuration UM2435

10/48 UM2435 Rev 2

7 Hardware layout and configuration

7.1 Nucleo-68 board

The Nucleo-68 board is designed around the STM32WB55RG microcontroller in a 68-pin

VFQFPN68 package.

The hardware block diagram (see Figure 2) illustrates the connection

between the MCU and

peripherals (STLINK/V2-1, push buttons, LEDs, Arduino™ UNO V3 connectors and

ST-Morpho connectors).

Figure 3 and Figure 4 help the user to locate these features on the board.

Figure 2. Nucleo-68 hardware block diagram

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