ST STM32H5 Bedienungsanleitung

Introduction

The STM32H5 Nucleo-64 board based on the MB1814 reference board (order code NUCLEO-H503RB) 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 STM32H5 series microcontroller.

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 STM32H5 Nucleo-64 board does not require any separate probe as it integrates the STLINK-V3EC debugger/programmer.

The STM32H5 Nucleo-64 board comes with the STM32 comprehensive free software libraries and examples available with the

STM32CubeH5 MCU Package.

Figure 1. NUCLEO-H503RB top view Figure 2. NUCLEO-H503RB bottom view

Pictures are not contractual.

STM32H5 Nucleo-64 board (MB1814)

UM3121

User manual

UM3121 - Rev 1 - February 2023

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

1Features

•NUCLEO-H503RB microcontroller based on the Arm® Cortex®-M33 core, featuring 128 Kbytes of flash

memory and 32 Kbytes of SRAM in an LQFP64 package

• USB Type-C® (Device mode/Full speed)

• One user LED shared with ARDUINO® Uno V3

• Reset and user push-buttons

• 32.768 kHz LSE crystal oscillator

• 24 MHz HSE crystal oscillator

• Board connectors:

–ST-LINK USB Type-C®

–User USB Type-C®

– MIPI10 for debugging (SWD/JTAG)

–ARDUINO® Uno V3 expansion connector

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

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

• On-board STLINK-V3EC debugger/programmer with USB re-enumeration capability: mass storage, Virtual

COM port, and debug port

• Comprehensive free software libraries and examples available with the STM32CubeH5 MCU Package

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

Workbench®, MDK-ARM, and STM32CubeIDE

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

UM3121

Features

UM3121 - Rev 1 page 2/37

2Ordering information

To order the STM32H5 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-H503RB MB1814 STM32H503RBT6

2.1 Products and codification

The meaning of the codification is explained in Table 2.

Table 2. Codification explanation

NUCLEO-XXYYRT Description Example: NUCLEO-H503RB

XX MCU series in STM32 32‑bit Arm Cortex MCUs STM32H5 series

YY MCU product line in the series STM32H503

R STM32 package pin count 64 pins

TSTM32 flash memory size:

• B for 128 Kbytes 128 Kbytes

In this document, for any information that is common to all sales types, the references are noted as the STM32H5

Nucleo-64 board.

UM3121

Ordering information

UM3121 - Rev 1 page 3/37

3Development environment

3.1 System requirements

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

• USB Type-A or USB Type-C® to USB Type-C® 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

UM3121 - Rev 1 page 4/37

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

UM3121

Conventions

UM3121 - Rev 1 page 5/37

5Quick start

The STM32H5 Nucleo-64 board is a low-cost and easy-to-use development kit, to evaluate and start development

quickly with an STM32H5 series microcontroller in an LQFP 64-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 STM32H5 Nucleo-64 board and demonstration software, visit the

www.st.com/stm32nucleo webpage.

5.1 Getting started

Follow the sequence below to configure the STM32H5 Nucleo-64 board and launch the demonstration application

(refer to Figure 5 for component location):

1. Check the jumper position on the board (refer to Figure 3).

2. Power the board by connecting the STM32H5 Nucleo-64 board to a PC with a USB cable (USB Type-A to

USB Type-C® or USB Type-C® to USB Type-C®) through the USB connector (CN1) of the board.

3. Then, the 5V_PWR green (LD3), the COM (LD1), and the PWR (LD7) LEDs light up, and the user green

LED (LD2) blinks.

4. Press the user blue button (B1).

5. Observe how the blinking of the green LED (LD2) changes according to the clicks on the button (B1).

6. The demonstration software and several software examples that allow exercising Nucleo features are

available on the www.st.com website.

7. Develop your application using the available examples.

5.2 Default board configuration

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

Table 4. Default jumper configuration

Jumper Definition Position Comment

JP1 ST-LINK reset OFF STLINK-V3EC MCU is not under Reset

mode

JP2 IDD measurement ON VDD_MCU current measurement

JP5 5 V power source selection [1-2] 5 V from STLINK-V3EC (5V_STLK)

JP6 VDD ON VDD supplied with 3V3

UM3121

Quick start

UM3121 - Rev 1 page 6/37

Two additional jumpers are set on the GND header (CN11 and CN12) as spare jumpers for configuration usage

(JP1).

Figure 3. Default jumper settings

DT59073V1

JP5

JP6

JP2

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Default board configuration

UM3121 - Rev 1 page 7/37

6Hardware layout and configuration

The STM32H5 Nucleo-64 board is designed around an STM32H5 series microcontroller in a 64-pin LQFP

package.

Figure 4 shows the connections between the STM32H5 and its peripherals (STLINK-V3EC, push-buttons, LEDs,

USB, ARDUINO® connectors, and ST morpho headers).

Figure 5 and Figure 6 show the location of these features on the STM32H5 Nucleo-64 board.

The mechanical dimensions of the board are shown in Figure 7.

Figure 4. Hardware block diagram

DT59074V1

Embedded

STLINK-V3EC

STM32

microcontroller

ST morpho extension header

I/O

VCP

UART

Reset

button

(B2)

User

button

(B1)

I/O

ARDUINO® connector

ST-LINK part

MCU part

LD2

USB Type-C®

connector

ARDUINO® connector

USB Type-C®

connector

SWD

SWD VCP

UART

USB

Note: VCP: Virtual COM port

SWD: Serial Wire Debug

UM3121

Hardware layout and configuration

UM3121 - Rev 1 page 8/37

6.1 PCB layout

Figure 5. Top layout

DT59075V1

ST-LINK RST (JP1)

User USB connector (CN3)

ST-LINK USB Type-C® connector (CN1)

ST-LINK COM LED (LD1)

ST-LINK power status LED (LD7)

PWR LED (LD3)

Power source selection (JP5)

ST morpho pin header (CN10)

ARDUINO® connector (CN9)

Reset button (B2)

User button (B1)

USB VBUS LED (LD6)

ST morpho pin header (CN7)

STM32 microcontroller (U13)

VDD connection to 3V3 (JP6)

IDD measurement (JP2)

MIPI10 connector (CN4)

ARDUINO® connector (CN8)

ARDUINO® connector (CN6) ARDUINO® connector (CN5)

User LED (LD2)

Figure 6. Bottom layout

DT59076V1

Product sticker

Board sticker

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PCB layout

UM3121 - Rev 1 page 9/37

6.2 Mechanical drawing

Figure 7. STM32H5 Nucleo-64 board mechanical drawing (in millimeters)

UM3121

Mechanical drawing

UM3121 - Rev 1 page 10/37

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