ST STM32L5 Nucleo-144 board Bedienungsanleitung

Introduction

The STM32L5 Nucleo-144 board based on the MB1361 reference board (NUCLEO-L552ZE-Q) provides an affordable and

flexible way for users to try out new concepts and build prototypes by choosing from the various combinations of performance

and power consumption features, provided by the STM32L5 microcontroller.

The ST Zio connector, which extends the ARDUINO® Uno V3 connectivity, and the ST morpho headers provide easy expansion

of the functionality of the STM32 Nucleo open development platform with a wide choice of specialized shields.

The STM32L5 Nucleo-144 board does not require any separate probe as it integrates the ST-LINK/V2-1 debugger/programmer.

The STM32L5 Nucleo-144 board comes with the STM32 comprehensive free software libraries and examples available with the

STM32CubeL5 MCU Package.

Figure 1. STM32L5 Nucleo-144 board

Picture is not contractual.

STM32L5 Nucleo-144 board (MB1361)

UM2581

User manual

UM2581 - Rev 2 - January 2020

For further information contact your local STMicroelectronics sales office.

www.st.com

1Features

•STM32L552ZET6QU microcontroller (Arm® Cortex®-M33 at 110 MHz) in LQFP144 package, featuring

512 Kbytes of Flash memory and 256 Kbytes of SRAM

• Internal SMPS to generate Vcore logic supply, identified by '-Q' suffixed boards(1)

• USB FS

• 3 user LEDs

• RESET and USER push-buttons

• 32.768 kHz crystal oscillator

• Board connectors:

–USB Type-C™ connector

– SWD

–ARDUINO® Uno V3 expansion connector

– ST morpho expansion connector

• Flexible power-supply options: ST-LINK, USB VBUS or 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 the STM32CubeL5 MCU Package

• Support of a wide choice of Integrated Development Environments (IDEs) including IAR™, Keil®, and

STM32CubeIDE

1. SMPS significantly reduces power consumption in Run mode, by generating Vcore logic supply from an internal DC/DC

converter.

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

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Features

UM2581 - Rev 2 page 2/48

2Ordering information

To order the NUCLEO-L552ZE-Q Nucleo-144 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-L552ZE-Q MB1361 STM32L552ZET6QU

2.1 Product marking

Evaluation tools marked as “ES” or “E” are not yet qualified and therefore not ready 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 designs or in production.

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

• On the targeted STM32 that is soldered on the board (For an illustration of STM32 marking, refer to the

STM32 datasheet “Package information” paragraph at the www.st.com website).

• Next to the evaluation tool ordering part number that is stuck or silk-screen printed on the board.

This board features a specific STM32 device version, which allows the operation of any bundled commercial

stack/library available. This STM32 device shows a "U" marking option at the end of the standard part number

and is not available for sales.

In order to use the same commercial stack in his application, a developer may need to purchase a part number

specific to this stack/library. The price of those part numbers includes the stack/library royalties.

2.2 Products and codification

The meaning of the codification is explained in Table 2.

Table 2. Codification explanation

NUCLEO-XXYYZE-Q Description Example: NUCLEO-L552ZE-Q

XX MCU series in STM32 Arm Cortex MCUs STM32L5 Series

YY MCU product line in the series STM32L552

Z STM32 package pin count 144 pins

E STM32 Flash memory size: 512 Kbytes

-Q STM32 has internal SMPS function SMPS

The order code is mentioned on a sticker placed on the top side of the board.

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Ordering information

UM2581 - Rev 2 page 3/48

3Development environment

3.1 System requirements

• Windows® OS (7, 8 and 10), Linux® 64-bit, or macOS®

• USB Type-A to Micro-B cable

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

All other trademarks are the property of their respective owners.

3.2 Development toolchains

• IAR™ - EWARM (see note)

• Keil® - MDK-ARM (see note)

• STMicroelectronics - STM32CubeIDE

Note: 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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Development environment

UM2581 - Rev 2 page 4/48

4Conventions

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 should be 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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Conventions

UM2581 - Rev 2 page 5/48

5Quick start

The STM32L5 Nucleo-144 board is a low-cost and easy-to-use development kit, to quickly evaluate and start

development with an STM32L5 Series microcontroller in LFQFP 144-pin package. Before installing and using the

product, accept the Evaluation Product License Agreement from the www.st.com/epla webpage. For more

information on the STM32L5 Nucleo-144 board and for demonstration software, visit the www.st.com/

stm32nucleo webpage.

5.1 Getting started

Follow the sequence below to configure the STM32L5 Nucleo-144 board and launch the demonstration

application (refer to Figure 4 for component location):

1. Check the jumper position on the board (refer to Default board configuration).

2. For the correct identification of the device interfaces from the host PC and before connecting the board,

install the ST-LINK/V2-1 USB driver available on the www.st.com website.

3. Connect the STM32L5 Nucleo-144 board to a PC with a USB cable (Type-A to Micro-B) through the USB

connector CN1 to power the board.

4. Then, the green LED LD6 (5V_PWR) lights up, LD4 (COM) and green LED LD1 blink.

5. Press USER button B1 (blue)

6. Observe how the blinking of the LEDs LD1, LD2, and LD3 changes, according to clicks on button B1.

7. Download the demonstration software and several software examples that help to use the STM32 Nucleo

features. These are available on the www.st.com website.

8. Develop your application using the available examples.

5.2 Default board configuration

By default, the NUCLEO board is sent with VDD_MCU@3V3. It is possible to set the board for VDD_MCU@1V8.

Before switching to 1V8, check that extension module and external shield connected to the NUCLEO board are

1V8 compatible.

The default jumper configuration and voltage setting are shown in Table 4.

Table 4. Default jumper configuration

Jumper Definition Default position Comment

CN4 SWD interface ON [1-2] ON [3-4] On-board ST-LINK/V2-1 debugger

JP3 T_NRST ON RST connected between MCU target

and debugger

JP4 VDD MCU ON [1-2] VDD MCU voltage selection 3V3

JP5 IDD measurement ON MCU VDD current measurement

JP6 5V power selection ON [1-2] 5V from ST-LINK

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Quick start

UM2581 - Rev 2 page 6/48

Figure 2. Default board configuration

UM2581

Default board configuration

UM2581 - Rev 2 page 7/48

6Hardware layout and configuration

The STM32L5 Nucleo-144 board is designed around an STM32L552 microcontroller in an LFQFP 144-pin

package. Figure 3 shows the connections between the STM32 and its peripherals (ST-LINK/V2-1, push-button,

LEDs, USB, ST Zio connectors and ST morpho headers). Figure 4 and Figure 5 show the location of these

features on the STM32L5 Nucleo-144 board. The mechanical dimensions of the board are shown in Figure 6.

Figure 3. Hardware block diagram

ST-LINK/V2.1 Part

STM32L552ZE-Q

OSC_32

SWD

32 KHz

Crystal

VCP

UART

GPIOs

GPIO

LED

GPIO

Embedded

ST-LINK/V2-1

SWD

SWD VCP

UART

USB

Micro-B

connector

User

RST

ARDUINO®

MORPHO

GPIO

ARDUINO®

MORPHO

PWR SEL

LED

JUMPER

COM

T_NRST

VCP

STLK RST

LEDLED

IDD1V8 / 3V3

USB

Type-C™

connector

GND

GNDGND

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Hardware layout and configuration

UM2581 - Rev 2 page 8/48

6.1 STM32L5 Nucleo-144 board layout

Figure 4. STM32L5 Nucleo-144 board top layout

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STM32L5 Nucleo-144 board layout

UM2581 - Rev 2 page 9/48

Figure 5. STM32L5 Nucleo-144 board bottom layout

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STM32L5 Nucleo-144 board layout

UM2581 - Rev 2 page 10/48

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