ST STM32U5 Bedienungsanleitung

Introduction

The STM32U5 Nucleo-144 board based on the MB1549 reference board (order codes NUCLEO-U575ZI-Q and NUCLEO-

U5A5ZJ-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 STM32U5 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 STM32U5 Nucleo-144 board does not require any separate probe as it integrates the STLINK-V3E debugger/programmer.

The STM32U5 Nucleo-144 board comes with the STM32 comprehensive free software libraries and examples available with the

STM32CubeU5 MCU Package.

Figure 1. STM32U5 Nucleo-144 board

Picture is not contractual.

STM32U5 Nucleo-144 board (MB1549)

UM2861

User manual

UM2861 - Rev 5 - February 2023

For further information contact your local STMicroelectronics sales office. www.st.com

1Features

•STM32U5 series microcontroller (Arm® Cortex®-M33 at 160 MHz) in an LQFP144 package

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

• USB Type-C® sink device FS or HS depending on the microcontroller

• Three user LEDs

• RESET and USER push-buttons

• 32.768 kHz crystal oscillator

• Board connectors:

–USB Type-C® connector

–ST Zio connector including ARDUINO® Uno V3

– ST morpho extension pin headers for full access to all STM32 I/Os

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

• On-board STLINK-V3E debugger/programmer with USB re-enumeration capability: mass storage, Virtual

COM port, and debug port

• Comprehensive free software libraries and examples available with the STM32CubeU5 MCU Package

• Support of a wide choice of Integrated Development Environments (IDEs) including IAR Embedded

Workbench®, MDK-ARM, and STM32CubeIDE

1. SMPS significantly reduces power consumption in Run mode, by generating a 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

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2Ordering information

To order an STM32U5 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-U575ZI-Q MB1549 STM32U575ZIT6Q

NUCLEO-U5A5ZJ-Q STM32U5A5ZJT6Q

2.1 Products and codification

The meaning of the codification is explained in Table 1.

Table 2. Codification explanation

NUCLEO-XXYYZE-Q Description Example: NUCLEO-U575ZI-Q

XX MCU series in STM32 Arm Cortex MCUs STM32U5 Series

YY MCU product line in the series STM32U575/585

Z STM32 package pin count 144 pins

STM32 flash memory size:

• I for 2 Mbytes

• J for 4 Mbytes

2 Mbytes

-Q STM32 has an internal SMPS function SMPS

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

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Ordering information

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3Development 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 and regions.

Linux® is a registered trademark of Linus Torvalds.

Windows is a trademark of the Microsoft group of companies.

3.2 Development toolchains

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

•Keil® - MDK-ARM(1)

• STMicroelectronics - STM32CubeIDE

1. On Windows® only.

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Development environment

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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 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

Capacitor Cx ON Capacitor soldered

Capacitor Cx OFF Capacitor not soldered

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Conventions

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5Quick start

The STM32U5 Nucleo-144 board is a low-cost and easy-to-use development kit, to quickly evaluate and start

development with an STM32U5 Series microcontroller in an LQFP 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 STM32U5 Nucleo-144 board and software example, visit the www.st.com/stm32nucleo

webpage.

5.1 Getting started

Follow the sequence below to configure the STM32U5 Nucleo-144 board and launch the software example (refer

to Figure 4 for component location):

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

2. Connect the STM32U5 Nucleo-144 board to a PC with a USB cable (USB Type-A or USB Type-C® to

Micro-B) through the USB connector (CN1) to power the board.

3. The 5V_PWR green (LD5) and COM (LD4) LEDs light up, and the green LED (LD1) blinks.

4. Press the blue user button (B1).

5. Observe how the blinking of the LEDs (LD1, LD2, and LD3) changes, according to the clicks on the button

(B1).

6. Download the software examples that help to use the STM32 Nucleo features. These are available on the

www.st.com website.

7. Develop your application using the available examples.

5.2 Default board configuration

By default, the STM32U5 Nucleo-144 board is configured with VDD_MCU at 3.3 V. It is possible to configure the

board with VDD_MCU at 1.8 V. Before switching to 1.8 V, ensure that the extension module and external shield

connected to the Nucleo-144 board are 1.8 V compatible.

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

Table 4. Default jumper configuration

Jumper Definition Default position Comment

JP1 STLK_NRST OFF STLINK-V3E is selected as the default

debugger.

JP2 T_NRST ON RST connected between MCU target

and debugger

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

JP5 IDD measurement ON MCU VDD current measurement

JP6 5V power selection [1-2] 5V from STLINK-V3E

JP7 UCPD_DBCC1 OFF Refer to Section 6.11.2 UCPD.

JP8 UCPD_DBCC2 OFF Refer to section Section 6.11.2 UCPD.

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Quick start

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Figure 2. Default board configuration

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Default board configuration

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Table 5 explains the other jumper settings and configurations.

Table 5. Jumper configuration

Jumper Definition Setting(1) Comment

JP1 STLK_RST

ON Use to reset the STLINK-V3E MCU

when an external debug probe is used.

OFF STLINK-V3E is selected as the default

debugger.

JP2 T_NRST

ON STLINK-V3E can reset the target

MCU.

OFF

STLINK-V3E cannot reset the target

MCU. Configuration to use when an

external debug probe is used.

JP4 VDD voltage selection

[1-2] VDD voltage selection is 3V3

[2-3] VDD voltage selection is 1V8

OFF No internal VDD power supply

(External 3.3 or 1.8 V needed)

JP5 IDD measurement

ON MCU is powered by the on‑board

power supplies.

OFF

Use an ammeter to measure the

VDD_MCU power consumption, or

connect a 3.3 or 1.8 V external

source on pin 2 (STLINK-PWR

tools with STM32CubeMonitor-Power or

ULPBench probe as exemple).

JP6 5V Power selection(2)

[1-2] 5V source from STLINK-V3E

[3-4] 5V source from ARDUINO® VIN 7-12V

[5-6] 5V source from 5V_EXT

[7-8] 5V source from USB Type-C®

[9-10]

5V source from USB_CHGR.

From STLINK-V3E USB connector

(CN1) without overcurrent protection.

OFF NO 5V power source, configuration

when external 3V3 is used.

JP7 UCPD_DBCC1

OFF UCPD_DBCC1 NOT connected to

GND

ON UCPD_DBCC1 connected to GND (For

debug purpose)

JP8 UCPD_DBCC2

OFF UCPD_DBCC2 NOT connected to

GND

ON UCPD_DBCC2 connected to GND (For

debug purpose)

1. The default configuration is in bold.

2. This is recommended to have only one jumper configuration.

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Default board configuration

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6Hardware layout and configuration

The STM32U5 Nucleo-144 board is designed around an STM32U5 microcontroller in an LQFP 144-pin package.

Figure 3 shows the connections between the STM32 and its peripherals (STLINK-V3E, push‑buttons, LEDs, USB

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

STM32U5 Nucleo-144 board.

The mechanical dimensions of the board are shown in Figure 6.

Figure 3. Hardware block diagram

DT55010V1

STM32U5xxZx-Q

OSC_32

SWD

32 KHz

crystal

VCP

UART

GPIOs

GPIO

LED

GPIO

Embedded

STLINK-V3E

STDC14 / MIPI10

SWD VCP

UART

USB Micro-B

connector

User

Reset

ARDUINO®

ST morpho

GPIO

ARDUINO®

ST morpho

PWR SEL

LED

COM

T_NRST

STLK

NRST

LEDLED

IDD1V8 / 3V3

USB

Type-C®

connector

GND

GNDGND

SWDUART

Note: VCP: Virtual COM port

SWD: Serial Wire Debug

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Hardware layout and configuration

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6.1 STM32U5 Nucleo-144 board layout

Figure 4. STM32U5 Nucleo-144 board top layout

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STM32U5 Nucleo-144 board layout

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