ST NUCLEO-H533RE Nucleo Development Board User Manual

ST NUCLEO-H533RE Nucleo Development Board

Product Information

Specifications

• Board: STM32H5 Nucleo-64 board (MB1814)
• Order Codes: NUCLEO-H503RB, NUCLEO-H533RE
• Debugger/Programmer: STLINK-V3EC integrated
• Crystal Oscillators: 32.768 kHz LSE, 24 MHz HSE
• Power-supply Options: ST-LINK USB VBUS, user USB connector, external sources
• Development Environment: STM32CubeIDE

Product Usage Instructions

1. Getting Started

To begin using the STM32H5 Nucleo-64 board, follow these steps:

1. Connect the board to your computer using a USB cable.
2. Install the necessary drivers if prompted.
3. Download and install the STM32CubeIDE development toolchain from the STMicroelectronics website.

2. Programming and Debugging

The integrated STLINK-V3EC debugger/programmer allows for easy programming and debugging of your applications. Follow these steps:

1. Open your project in STM32CubeIDE.
2. Select the appropriate debug configuration.
3. Upload your code to the board and start debugging.

3. Accessing Software Libraries

The STM32H5 Nucleo-64 board comes with comprehensive free software libraries and examples available with the STM32CubeH5 MCU Package. To access these libraries:

1. Refer to the documentation provided with the STM32CubeH5 MCU Package.
2. Explore the examples to understand how to utilize different features of the microcontroller.

Frequently Asked Questions

• Q: How do I update the demonstration software on the board?
  • A: The latest versions of the demonstration software can be downloaded from www.st.com. Follow the instructions provided with the software package for updating.
• Q: Can I use external power sources with the board?
  • A: Yes, the board supports flexible power-supply options including external sources. Ensure that the power input meets the specified requirements.

UM3121
User manual
STM32H5 Nucleo-64 board (MB1814)

Introduction

The STM32H5 Nucleo-64 board based on the MB1814 reference board (order codes NUCLEO-H503RB and NUCLEOH533RE) 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-64 top view

Figure 2. NUCLEO-64 bottom view

Pictures are not contractual.
UM3121 – Rev 3 – February 2024 For further information contact your local STMicroelectronics sales office.

www.st.com

1
Note:

UM3121
Features

Features

·

STM32H5 microcontroller based on the Arm® Cortex®M33 core 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

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 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

NUCLEO-H503RB NUCLEO-H533RE

MB1814(1)

1. Subsequently named main board in the rest of the document.

Target STM32 STM32H503RBT6 STM32H533RET6

Differentiating feature –
Cryptography

2.1

Codification

The meaning of the codification is explained in Table 2.

NUCLEO-XXYYZT XX YY Z
T

Table 2. Codification explanation
Description MCU series in STM32 32-bit Arm Cortex MCUs MCU product line in the series STM32 package pin count: · R for 64 pins STM32 flash memory size: · B for 128 Kbytes · E for 512 Kbytes

Example: NUCLEO-H503RB STM32H5 series STM32H503 64 pins
128 Kbytes

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3
3.1
Note:
3.2

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Development environment

Development environment

System requirements

·

MultiOS support: Windows® 10, Linux® 64-bit, or macOS®

·

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

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.

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.

Convention Jumper JPx ON Jumper JPx OFF Jumper JPx [1-2] Solder bridge SBx ON Solder bridge SBx OFF Resistor Rx ON Resistor Rx OFF Capacitor Cx ON Capacitor Cx OFF

Table 3. ON/OFF convention Definition
Jumper fitted Jumper not fitted Jumper fitted between Pin 1 and Pin 2 SBx connections closed by 0 resistor SBx connections left open Resistor soldered Resistor not soldered Capacitor soldered Capacitor not soldered

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Quick start

5

Quick 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 LQFP64 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 click 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.

Jumper JP1 JP2 JP5 JP6

Table 4. Default jumper configuration

Definition ST-LINK reset IDD measurement 5 V power source selection
VDD

Position OFF ON [1-2] ON

Comment STLINK-V3EC MCU is not under Reset mode VDD_MCU current measurement 5 V from STLINK-V3EC (5V_STLK) VDD supplied with 3V3

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Quick start
Two additional jumpers are set on the GND header (CN11 and CN12) as spare jumpers for configuration usage (JP1).
Figure 3. Default jumper settings

JP5

JP2

JP6

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Hardware layout and configuration

6

Hardware layout and configuration

The STM32H5 Nucleo-64 board is designed around an STM32H5 series microcontroller in an LQFP64 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

USB Type-C® connector

Embedded STLINK-V3EC

SWD

VCP UART

SWD

VCP UART

LD2

I/O

STM32

I/O

microcontroller

USB

ARDUINO® connector ST morpho extension header

ST morpho extension header ARDUINO® connector

User button (B1)

USB Type-C® connector

Note:

VCP: Virtual COM port SWD: Serial Wire Debug

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Reset button (B2)
page 8/40

DT59074V2

6.1

PCB layout

ST-LINK RST (JP1)

MIPI10 connector (CN4) User button (B1)
VDD connection to 3V3 (JP6) IDD measurement (JP2)
ARDUINO® connector (CN6)
ST morpho pin header (CN7) ARDUINO® connector (CN8)
User USB connector (CN3)

Board sticker Product sticker

UM3121
Hardware layout and configuration

Figure 5. Top layout

ST-LINK USB Type-C® connector (CN1)

ST-LINK power status LED (LD7) ST-LINK COM LED (LD1)

PWR LED (LD3)
Power source selection (JP5) User LED (LD2) Reset button (B2)

Figure 6. Bottom layout

ARDUINO® connector (CN5) STM32 microcontroller (U13) ST morpho pin header (CN10) ARDUINO® connector (CN9)
USB VBUS LED (LD6)

DT59075V2

DT59076V2

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Hardware layout and configuration

6.2

Mechanical drawing

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

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7
7.1
7.1.1 7.1.2

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Embedded STLINK-V3EC

Embedded STLINK-V3EC

The chapter below gives some information about the implementation of STLINK- V3EC. For more details on STLINK-V3EC such as LED management, drivers, and firmware, refer to the technical note Overview of ST-LINK derivatives (TN1235). For information about the debugging and programming features of STLINK-V3EC, refer to the user manual STLINK-V3SET debugger/programmer for STM8 and STM32 (UM2448).

Description

There are two different ways to program and debug the onboard STM32 MCU.

·

Using the embedded STLINK-V3EC

·

Using an external debug tool connected to the CN4 STDC14/MIPI10 connector

Refer to Table 5 to switch between STLINK-V3EC and STDC14 configurations.

The STLINK-V3EC facility for debugging and flashing is integrated into the STM32H5 Nucleo-64 board.

Supported features in STLINK-V3EC:

·

5 V/500 mA power supply capability through the USB Type-C® connector (CN1)

·

USB 2.0 high-speed-compatible interface

·

JTAG and Serial Wire Debug (SWD) with Serial Wire Viewer (SWV)

·

Virtual COM port (VCP)

·

3.3 V application voltage

·

COM status LED, which blinks during communication with the PC

·

Power status LED giving information about STLINK-V3EC target power

·

USB-C® overvoltage protection (U5) with current limitation

Two tricolor LEDs (green, orange, and red) provide information about STLINK- V3EC communication status (LD1) and STLINK-V3EC power status (LD7). For detailed information about the management of these LEDs, refer to the technical note Overview of ST-LINK derivatives (TN1235).

Drivers
The installation of drivers is not mandatory from Windows 10® but allocates an ST-specific name to the ST-LINK COM port in the system device manager. For detailed information on the ST-LINK USB drivers, refer to the technical note Overview of ST-LINK derivatives (TN1235).

STLINK-V3EC firmware upgrade
STLINK-V3EC embeds a firmware upgrade (stsw-link007) mechanism through the USB-C® port. As the firmware might evolve during the lifetime of the STLINK- V3EC product (for example to add new functionalities, fix bugs, and support new microcontroller families), it is recommended to keep the STLINK-V3EC firmware up to date before starting to use the STM32H5 Nucleo-64 board. The latest version of this firmware is available from the www.st.com website.
For detailed information about firmware upgrades, refer to the technical note Overview of ST-LINK derivatives (TN1235).

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7.1.3

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Embedded STLINK-V3EC

Using an external debug tool to program and debug the on-board STM32 Before connecting any external debug tool, fit the jumper on JP1 to put STLINK-V3EC in Reset mode. Then connect the external debug tool through the STDC14/MIPI10 debug connector (CN4).
Table 5 explains the JP1 configuration.

Jumper JP1

Definition

Table 5. JP1 configuration Setting OFF

Debugger selection

[1-2]

Comment
The embedded STLINK-V3EC is selected (default configuration).
An external debugger connected to the STDC14/MIPI10 connector (CN4) can be used.
STLINK-V3EC no longer drives the embedded STM32

When using the external debug connector (CN4), the USB ST-LINK connector (CN1) can be used to supply the STM32H5 Nucleo-64 board (JP5 on [7-8] ‘VBUS_STLK’), or you can select another power supply source as described in Section 8: Power supply and power selection.

Figure 8. Connecting an external debug tool to program the on-board STM32

STLINK-V3EC USB connector (CN1)
ST-LINK reset (JP1)

5V power supply selection (JP5)

STDC14/MIPI10 debug connector
(CN4)

DT59078V2

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Figure 9. STDC14/MIPI10 connector (CN4)

UM3121
Embedded STLINK-V3EC

DT52375V1

Table 6 describes the STDC14/MIPI10 connector (CN4) pinning.

Table 6. STDC14/MIPI10 debug connector (CN4) pinning

MIPI10 pin STDC14 pin

CN5

Designation

–

1

NC

Reserved(1)

–

2

NC

Reserved(1)

1

3

VDD

Target VDD(2)

2

4

JTMS/SWDIO

Target SWDIO using SWD protocol or target JTMS using JTAG protocol (SB30 ON)

3

5

GND

Ground

4

6

JTCK/ SWCLK

Target SWCLK using SWD protocol or target JTCK using JTAG protocol (SB29 ON)

5

7

GND

Ground

6

8

JTDO/SWO

Target SWO using SWD protocol or target JTDO using JTAG protocol (SB28 ON)(3)

7

9

NC

T_JRCLK(4)/NC(5)

8

10

JTDI

Not used by SWD protocol. Target JTDI using JTAG protocol (SB41 ON)

9

11

GNDDetect GND detection for plug indicator(6)

10

12

NRST

Target NRST

–

13

VCP_RX Target RX used for VCP (with UART supporting bootloader)(7)

–

14

VCP_TX Target TX used for VCP (with UART supporting bootloader)(2)

1. Do not connect to the target. It is not connected to the STM32H5 Nucleo-64 board. 2. Input for the external debug tools. Output for the STM32H5 Nucleo-64 board 3. SWO is optional and required only for Serial Wire Viewer (SWV) trace. 4. Optional loopback of JTCK on the target side 5. NC means not required for the SWD connection. It is not connected to the STM32H5 Nucleo-64 board. 6. Tied to GND. The tool might use this signal for tool detection. 7. Output for the external debug tools, *input for the STM32H5 Nucleo-64 board

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Power supply and power selection

8

Power supply and power selection

Six different sources can provide the power supply to the board:

·

A host PC connected to CN1 through a USB cable (default configuration)

·

An external 7 to 12 V power supply connected to CN6 pin 8 or CN7 pin 24 (VIN)

·

An external 5 V power supply connected to CN7 pin 6 (E5V)

·

An external 5 V USB charger (VBUS_STLK) connected to CN1

·

A host PC connected to CN3 through a USB cable

·

An external 3.3 V power supply (3V3) connected to CN6 pin 4 or CN7 pin 16

Either the host PC through the USB cable, or an external source VIN (7 to 12 V), E5V (5 V), or +3.3 V power supply pins on CN6 or CN7, provides the power supply. In case VIN, E5V, or +3.3 V is used to power the STM32H5 Nucleo-64 board. This power source must comply with the EN-60950-1: 2006+A11/2009 standard and must be SELV (safety extra low voltage) with limited power capability.

In case the power supply is +3.3 V, STLINK-V3EC is not powered and cannot be used.

Power supply input from STLINK-V3EC USB connector: 5V_STLK (default configuration)
The STM32H5 Nucleo-64 board and shield can be powered from STLINK-V3EC connector CN1 (5 V/500 mA). To select the 5V_STLK power source, JP5 must be fitted on [1-2] `5V_STLK’ (refer to Figure 10). This is the default configuration.

Figure 10. Power supply input from STLINK-V3EC USB connector with PC (5 V, 500 mA maximum)
PC 5V

DT59079V2

5V 3V3

If the USB enumeration succeeds, the ST-LINK power is enabled, by asserting the T_PWR_EN signal from STLINK-V3EC. This pin is connected to a power switch (U4), which powers the board. The power switch also features a current limitation to protect the PC in case of a short circuit onboard. If an overcurrent (more than 500 mA) happens onboard, the POWER status LED (LD7) is lit in red color.

The STLINK-V3EC USB connector (CN1) can power the STM32H5 Nucleo-64 board with its shield.

·

If the Host can provide the required power, the power switch (U4) and the green LED (LD3) are turned ON.

Thus, the STM32H5 Nucleo-64 board and its shield can consume up to 500 mA current, but not more.

·

If the Host is not able to provide the requested current, the enumeration fails. Therefore, the power switch

(U4) remains OFF and the MCU part including the extension board is not powered. As a consequence, the

green LED (LD3) remains turned OFF. In this case, it is mandatory to use an external power supply.

Warning:

In case the maximum current consumption of the STM32H5 Nucleo-64 board and its shield boards exceed 500 mA, it is mandatory to power the STM32H5 Nucleo-64 board, using an external power supply connected to E5V, VIN, or +3.3 V.

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Power supply and power selection

External power supply input from VIN (7 to 12 V, 800 mA maximum)
When the STM32H5 Nucleo-64 board is power supplied by VIN, the JP5 jumper must be fitted on [3-4] ‘5V_VIN’ (refer to Figure 11 and Table 7. The STM32H5 Nucleo-64 board and its shield boards can be powered in three different ways from an external power supply, depending on the used voltage. The three power sources are summarized in Table 7.

Input power name
VIN

Table 7. External power sources VIN (7 to 12 V)

Connector pins
CN6 pin 8 CN7 pin 24

Voltage 7 to 12 V

Maximum current
800 mA

Limitation
From 7 to 12 V only and input current capability is linked to input voltage: · 800 mA input current when VIN = 7 V · 450 mA input current when 7 V < VIN < 9 V · 250 mA input current when 9 V < VIN < 12 V

Figure 11. Power supply input from VIN (7 to 12 V, 800 mA maximum)

5V 3V3
VIN < 12V

DT59080V2

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Power supply and power selection

External power supply input E5V (5 V, 500 mA maximum)
When the STM32H5 Nucleo-64 board is power supplied by E5V, the JP5 jumper must be fitted on [5-6] (E5V) (refer to Figure 12. Power supply input from E5V (5 V, 500 mA maximum) and Table 8. Power supply input from E5V (5 V, 500 mA maximum).

Input power name
E5V

Table 8. Power supply input from E5V (5 V, 500 mA maximum)

Connector pins CN7 pin 6

Voltage 4.75 to 5.25 V

Max current 500 mA

Figure 12. Power supply input from E5V (5 V, 500 mA maximum)

DT59081V2

5V

E5V

3V3

External power supply input from a USB charger (5 V, 500 mA)
When the STM32H5 Nucleo-64 board is power supplied by a USB charger on CN1, the JP5 jumper must be set on [7-8] ‘VBUS_STLK’ (refer to Figure 13 and Table 9).

Input power name
VBUS_STLK

Table 9. External power source VBUS_STLK (5 V, 500 mA)

Connector pins CN1

Voltage 5 V

Max current 500 mA

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Power supply and power selection
Figure 13. Power supply input from STLINK-V3EC USB connector with a USB charger (5 V, 500 mA maximum)
USB charger 5V

DT59082V2

5V

3V3

External power supply input 3V3
When the 3.3 V is provided by a shield board, it is interesting to use the 3V3 (CN6 pin4 or CN7 pin16) directly as power input (refer to Figure 14 and Table 10). In this case, the programming and debugging features are not available, since STLINK-V3EC is not powered.

Input power name
3V3

Table 10. External power source 3V3

Connector pins
CN6 pin 4 CN7 pin 16

Voltage range 3.0 to 3.6 V

Max current 1.3 A

Figure 14. Power supply input from external 3V3

juNmo per

3V3

DT59083V2

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Power supply and power selection

Power supply input from the USB user connector
The STM32H5 Nucleo-64 board and shield can be powered from USB user connector CN3 (5 V/500 mA). To select the VBUSC power source, JP5 must be fitted on [9-10] ‘VBUSC’ (refer to Figure 15 and Table 11).

Input power name
VBUSC

Table 11. External power source VBUSC (5 V, 500 mA maximum)

Connector pins CN3

Voltage range 5 V

Max current 500 mA

Figure 15. Power supply input from USB user connector (5 V, 500 mA)

3V3 5V
5V Host PC

DT59084V2

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Programming/debugging when the power supply is not from STLINK-V3EC (STLK)

9

Programming/debugging when the power supply is not from

STLINK-V3EC (STLK)

When powered by VIN, E5V, or USB user, it is still possible to use STLINK-V3EC for VCP, programming, or debugging.

In this case, the following power sequence procedure must be respected:

1. Set the JP5 jumper according to the selected 5 V power source.

2. Connect the external power source according to JP5.

3. Power on the external power supply.

4. Check that the 5 V green LED (LD3) is turned ON.

5. Connect the PC to the USB ST-LINK connector (CN1).

If this sequence is not respected, the VBUS from STLINK-V3EC might power the board first, and the following risks might be encountered:

·

If the board needs more than 500 mA current, the PC might be damaged or the current limited by the PC.

Therefore, the board is not powered correctly.

·

500 mA is requested at enumeration. So, there is a risk that the request is rejected and the enumeration

does not succeed, as the PC cannot provide such a current. Consequently, the board is not power supplied

and the 5 V green LED (LD3) remains OFF.

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10
10.1
10.2

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Clock sources

Clock sources

Three clock sources are available on the STM32H5 Nucleo-64 board:

·

LSE: 32.768 kHz crystal for the STM32 embedded RTC

·

MCO: 8 MHz clock from STLINK-V3EC for the STM32 microcontroller

·

HSE: 24 MHz oscillator for the STM32 microcontroller.

LSE clock (lowspeed external clock) – 32.768 kHz

There are three ways to configure the pins corresponding to the low-speed clock (LSE):

·

On-board oscillator (default): X2 crystal. Refer to the application note Oscillator design guide for

STM8AF/AL/S, STM32 MCUs and MPUs (AN2867). ST recommends using NX1610SE-32.768KHZ-

EXS00A-MU01499 (32.768 kHz, 9 pF load capacitance, 20 ppm) from NDK. The configuration must be:

­ SB30 and SB31 ON

­ SB29 and SB32 OFF

·

Oscillator from external PC14: From an external oscillator through pin 25 of the ST morpho connector

(CN7). The configuration must be:

­ SB29 and SB32 ON

­ SB30 and SB31 OFF

·

LSE not used: PC14 and PC15 are used as GPIOs instead of the low-speed clock. The configuration must

be:

­ SB29 and SB32 ON

­ SB30 and SB31 OFF

HSE clock (highspeed external clock) – 24 MHz

There are four ways to configure the pins corresponding to the highspeed external clock (HSE):

·

MCO from STLINK-V3EC: The MCO output of ST-LINK is used as an input clock. The MCO clock

frequency cannot be changed. It is fixed at 8 MHz and connected to the PH0OSC_IN pin of the STM32H5

series microcontroller. The configuration must be:

­ SB27 ON

­ SB25 and SB26 OFF

­ SB24 and SB28 OFF

·

HSE on-board oscillator from X3 crystal (default): For typical frequencies and its capacitors and resistors,

refer to the STM32H5 series microcontroller datasheet and the application note Oscillator design guide for

STM8AF/AL/S, STM32 MCUs and MPUs (AN2867) for the oscillator design guide. The X3 crystal has the

following characteristics: 24 MHz, 6 pF, and 20 ppm. ST recommends using NX2016SA-24MHz-EXS00A-

CS10820 manufactured by NDK. The configuration must be:

­ SB25 and SB26 ON

­ SB24 and SB28 OFF

­ SB27 OFF

­ C56 and C59 ON with 5.6 pF capacitors

·

Oscillator from external PF0: From an external oscillator through pin 29 of the CN7 connector. The

configuration must be:

­ SB28 ON

­ SB24 OFF

­ SB25 and SB26 OFF

­ SB27 OFF.

·

HSE not used: PF0 and PF1 are used as GPIOs instead of clocks. The configuration must be:

­ SB24 and SB28 ON

­ SB27 OFF

­ SB25 and SB26 OFF

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11
11.1

UM3121

Board functions

Board functions

LEDs
STLINK-V3EC COM (LD1) and STLINK-V3EC POWER STATUS (LD7) LEDs
Two tricolor (green, orange, and red) LEDs provide information about the STLINK-V3EC communication status (LD1) and STLINK-V3EC power status (LD7). For detailed information about these two LEDs, refer to the technical note Overview of ST-LINK derivatives (TN1235).
User LED (LD2) This green LED is a user LED connected to STM32H5 I/O PA5 (SB6 ON) corresponding to the ARDUINO® D13. To light LD2, a high logic state ‘1’ must be written into the corresponding GPIO PA5. A transistor is used to drive the LD2. The user can modify and program the function of the user LED (LD2) to give another status signal that might be relevant to the board. LD2 consumption does not impact the VDD STM32H5 power measurement, since LD2 is isolated from it.
PWR LED (LD3)
The green LED (LD3) is used as a board poweron indicator and indicates that the STM32H5 Nucleo-64 is powered by a 5 V power source and +5V is available on CN6 pin 5 and CN7 pin 18.
USB power fault (OC, overcurrent) LED (LD4)
LD4 indicates that the board power consumption via the USB ST-LINK exceeds 500 mA. Consequently, the user must power the board using an external power supply.
USB power fault (OC, overcurrent) LED (LD5)
The red LED (LD5) indicates that the power consumption via the USB user exceeds 500 mA when the STM32H5 Nucleo-64 board works as a Host.
USB Type-C® LED (LD6)
The green LED (LD6) indicates the presence of VBUSC (5 V) on the USB user connector (CN3). Refer to the Power supply input from the USB user connector for more details.

LED color Green/orange/red
Green Green Red Red Green Green/orange/red

Table 12. LED indicators

Reference LD1 LD2 LD3 LD4 LD5 LD6 LD7

System element monitored On-board STLINK-V3EC communication status Test status +5V power indicator Overcurrent indicator on USB ST-LINK connector (CN1) Overcurrent indicator on USB user connector (CN3) VBUS presence indicator on USB user connector (CN3) On-board STLINK-V3EC power status

UM3121 – Rev 3

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11.2
11.3 11.4

UM3121
Board functions

Push-buttons
Two buttons are available on the STM32H5 Nucleo-64 board.
Blue user button (B1)
The user button is connected to the PC13 I/O by default (tamper support: SB16 ON and SB21 OFF). The user button can also be connected to PA0 (wake-up support: SB21 ON and SB16 OFF) of the STM32H5 series microcontroller. When the button is pressed, the logic state is HIGH, otherwise, the logic state is LOW.
Black reset button (B2)
This push-button is connected to NRST and is used to reset the STM32H5 series microcontroller. When the button is pressed, the logic state is LOW, otherwise, the logic state is HIGH.

Current consumption measurement (IDD)

The JP2 jumper, labeled IDD, is used to measure the STM32H5 microcontroller consumption by removing the jumper and connecting an ammeter:

·

JP2 must be ON when STM32H5 is powered with VDD (default).

·

If JP2 is OFF, an ammeter must be connected to measure the STM32H5 current. If there is no ammeter,

the STM32H5 is not powered.

Virtual COM port (VCP): USART1/USART2/USART3
Depending on the STM32H5 Nucleo-64 board, it is possible to choose between several USART interfaces (USART1, USART2, or USART3) to connect to STLINK- V3EC.
The selection between USART1, USART2, and USART3 is done by setting the related solder bridges as detailed in Table 13.

Table 13. USART configuration

Product identification

Solder bridge configuration(1)

Feature

NUH503RB$MR1 NUH503RB$MR2

SB2 and SB3 ON SB18 and SB22 OFF SB19 and SB33 ON SB20 and SB23 OFF

USART3 (PA3/PA4) connected to the STLINKV3EC Virtual COM port.
(USART3 supports the Bootloader mode).
USART1 (PB14/PB15) connected to the ARDUINO® Uno V3 (D1 and D0) and ST morpho connectors (CN10 pins 35 and 37, and CN10 pins 26 and 28).

SB2 and SB3 OFF SB18 and SB22 ON SB19 and SB33 OFF SB20 and SB23 ON

USART1 (PB14/PB15) connected to STLINK-V3EC Virtual COM port.
USART3 (PA3/PA4) connected to the ARDUINO® Uno V3 (D1 and D0) and ST morpho connectors (CN10 pins 35 and 37, and CN10 pins 26 and 28).

NUH533RE$MR1

SB1 and SB2 ON SB3, SB7, SB18, and SB22 OFF
SB19 and SB33 ON SB20 and SB23 OFF

USART2 (PA2/PA3) connected to the STLINKV3EC Virtual COM port.
(USART2 supports the Bootloader mode).
USART1 (PB14/PB15) connected to the ARDUINO® Uno V3 (D1 and D0) and ST morpho connectors (CN10 pins 35 and 37, and CN10 pins 26 and 28).

SB1, SB2, SB3, and SB22 OFF SB7 and SB18 ON
SB19 and SB33 OFF SB20 and SB23 ON

USART1 (PB14/PB15) connected to STLINK-V3EC Virtual COM port.
USART2 (PA2/PA3) connected to the ARDUINO® Uno V3 (D1 and D0) and ST morpho connectors (CN10 pins 35 and 37, and CN10 pins 26 and 28).

1. The default configuration is in bold.

UM3121 – Rev 3

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11.5

UM3121
Board functions

USB full speed (Device mode)
The STM32H5 Nucleo-64 board supports USB full-speed (FS) communication via a USB Type-C® connector. It also supports USB Device mode and can be powered by the USB Type-C® connector (CN3) with a 500 mA current limitation. The green LED (LD6) is lit when VBUSC (USB_VBUS signal name) is powered by a USB Host connected to CN3.
Warning: The USB Host configuration is not recommended on the STM32H5 Nucleo-64 board because it is not USB-C® compliant.

Device mode management. Solder bridges manage manually the Device mode as described in Table 14.

Table 14. Host and Device configurations

Product identification

Solder bridge configuration(1)(2)

Supported mode

NUH503RB$MR1 NUH503RB$MR2

SB1 and SB7 OFF SB14 OFF
SB4 and SB8 ON

USB Device mode:

·

The STM32H5 Nucleo-64 board works as a Device

(5.1 k pull-down resistors exposed on CC1 and

CC2 pins of CN3).

NUH503RB$MR1

SB1 and SB7 ON SB14 ON
SB4 and SB8 OFF

USB Host mode:
· The STM32H5 Nucleo-64 board works as a Host (56 k pull-up resistors exposed on CC1 and CC2 pins of CN3).
This configuration is not recommended because it is not USBC® compliant

1. The recommended configuration is in bold. 2. The configuration depends on the product identification. Refer to Table 19 and Table 20 for details.

Figure 16. USB Type-C® connector (CN3) front view

UM3121 – Rev 3

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UM3121
Board functions

Table 15 describes the USB Type-C® connector (CN3) pinout.

STM32 pin –
–
PA12 PA11
—
–

Signal name
GND USB_VBUS 5.1 k pulldown resistors exposed USB_FS_P USB_FS_N
–
USB_VBUS GND

Table 15. USB Type-C® connector (CN3) pinout

Pin name

Pin

GND

A1

TX1+

A2

TX1-

A3

VBUS

A4

CC1

A5

D+

A6

D-

A7

SBU1

A8

VBUS

A9

RX2-

A10

RX2+

A11

GND

A12

Pin

Pin name

Signal name

B12

GND GND

B11

RX1+ –

B10

RX1- –

B9

VBUS USB_VBUS

B8

SBU2 –

B7

D-

USB_FS_N

B6

D+

USB_FS_P

B5

CC2

5.1 k pulldown resistors exposed

B4

VBUS USB_VBUS

B3

TX2- –

B2

TX2+ –

B1

GND GND

STM32 pin –
–
PA11 PA12
–
–

UM3121 – Rev 3

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12
12.1

UM3121
Expansion connectors

Expansion connectors

Six expansion connectors are implemented on the STM32H5 Nucleo-64 board:

·

CN5, CN6, CN8, and CN9 as the ARDUINO® Uno V3 connector

·

CN7 and CN10 as the ST morpho expansion connectors.

ARDUINO® Uno V3

The ARDUINO® connectors CN5, CN6, CN8, and CN9 are female connectors compatible with the ARDUINO® standard. Most shields designed for ARDUINO® can fit the STM32H5 Nucleo-64 board.
The ARDUINO® connectors on the STM32H5 Nucleo-64 board support the ARDUINO® Uno V3.

Figure 17. ARDUINO® connectors

ARDUINO® Power (CN6) ARDUINO® A[5:0] (CN8)

ARDUINO® D[15:8] (CN5) ARDUINO® D[7:0] (CN9)

The related pinout for the ARDUINO® connectors is listed in Table 16.

DT59085V2

UM3121 – Rev 3

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UM3121 – Rev 3

Table 16. ARDUINO® connector pinout

Connector Pin number

Left connectors Pin name MCU pin(1)

Function(1)

1 2 3 4 CN6 Power 5 6 7 8
1 2 3 4 CN8 Analog

IOREF NRST 3V3 5V GND GND VIN
A0 A1 A2 A3

NRST –

5V_IN test 3V3 ref Reset 3V3 output 5V input/output Ground Ground Power input

PA0

ADC1_INP0

PA1

ADC1_INP1

PA2(2)/PB1(3) ADC1_INP14

PB0

ADC1_INP9

Function(1) I2C1_SCL I2C1_SDA AVDD Ground SPI1_SCK SPI1_MISO TIM3_CH2, SPI1_MOSI TIM3_CH4, SPI1_NSS TIM3_CH1 IO
IO TIM2_CH3 TIM1_CH2 IO TIM2_CH2 IO

5

A4

PC1/PB7

ADC1_INP11/I2C1_SDA

UART1_TX/USART3_TX

UART1_TX/USART2_TX

6

A5

PC0/PB6

ADC1_INP10/I2C1_SCL

UART1_RX/USART3_RX

UART1_RX/USART2_RX

Right connectors

MCU pin(1) Pin name

PB6

D15

PB7

D14

–

AVDD

–

GND

PA5

D13

PA6

D12

PA7

D11

PC9

D10

PC6

D9

PC7

D8

Pin number Connector 10 9 8 7 6
CN5 Digital 5 4 3 2 1

PA8

D7

8

PB10

D6

7

PB4

D5

6

PB5

D4

5

PB3

D3

4

PA10(2)/

D2

3

PC8(3)

PB14/PA4(2) D1

2

PB14/P2(3)

PB15/PA3(2) D0

1

PB15/PA3(3)

CN9 Digital

UM3121

Expansion connectors

1. The default configuration is in bold. 2. Valid for NUH503RB$MR1 and NUH503RB$MR2 only 3. Valid for NUH533RE$MR1 only

page 26/40

12.2

UM3121
Expansion connectors
ST morpho connector (CN7 and CN10)
The ST morpho connector consists of two 2.54 mmpitch male pin headers (CN7 and CN10). They are used to connect the STM32H5 Nucleo-64 board to an extension board or a prototype/wrapping board placed on the top of the ST morpho connector. All signals and power pins of the STM32H5 are available on the ST morpho connector. An oscilloscope, logical analyzer, or voltmeter can also probe this connector.
Figure 18. ST morpho connectors (CN7 and CN10)

ST morpho connector [1:38] (CN7)

ST morpho connector [1:38] (CN10)

DT59086V2

UM3121 – Rev 3

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UM3121
Expansion connectors

Table 17 shows the pin assignments for the STM32 on the ST morpho connector.

Table 17. Pin assignment of the ST morpho connector

CN7 odd pins

CN7 even pins

CN10 odd pins

CN10 even pins

1

PC10

2

PC11

1

–

2

PC8(7)/PA9(8)

3

PC12

4

PD2

3

PB6

4

PA12(8)

5

VDD

6

E5V

5

PB7

6

PC5

7

BOOT0(1)

8

GND

7

AVDD(2)

8

VBUS_STLK(3)

9

–

10

–

9

GND

10

–

11

–

12

IOREF

11

PA5

12

PA12(4)

13

PA13(5)

14

NRST

13

PA6

14

PA11(4)

15

PA14(5)

16

3V3

15

PA7

16

PB12

17

PA15

18

5V

17

PC9

18

–

19

GND

20

GND

19

PC6

20

GND

21

–

22

GND

21

PC7

22

PB2

23

PC13

24

VIN

23

PA8

24

PB1(7)

25

PC14

26

–

25

PB10

26

PB15

27

PC15

28

PA0

27

PB4

28

PB14

29

PF0

30

PA1

29

PB5

30

PB13

31

PF1

32

PA2(7)/PB1(8)

31

PB3

32

AGND

33

VBAT

34

PB0

33

PA10(7)/PC8(8)

34

PC4

35

PC2

36

PC1(6)/PB7

35

PB14

36

PB8

37

PC3

38

PC0(6)/PB6

37

PB15

38

–

1. BOOT0 is set to 0′ by default. It can be set to1′ with a jumper plugged between pin5 (VDD) and pin7 (BOOT0) of CN7. 2. AVDD is connected to VDD_MCU by default (R33 fitted). 3. VBUS_STLK is the 5 V power from the STLINK-V3EC USB connector. It rises before the 5 V of the STM32H5 Nucleo-64
board. 4. PA11 and PA12 are shared with USB signals connected to a USB Type-C® connector. It is not recommended to use them as
I/O pins. By default, they are connected to D+/D- signals (SB13 and SB17 ON). 5. PA13 and PA14 are shared with SWD signals connected to STLINK-V3EC. It is not recommended to use them as I/O pins.
By default, they are used as SWD signals (SB40 and SB41 ON). 6. The default configuration is in bold. 7. Valid for NUH503RB$MR1 and NUH503RB$MR2 only 8. Valid for NUH533RE$MR1 only

UM3121 – Rev 3

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UM3121
STM32H5 Nucleo-64 I/O assignment

13

STM32H5 Nucleo-64 I/O assignment

Table 18. STM32H5 Nucleo-64 I/O assignment

Pin

Pin name

Signal or label

Main feature/optional feature/SB(1)(2)

1

VBAT

VBAT

Power supply for RTC when VDD is not present

2

PC13

PC13

USER button/IO

3

PC14-OSC32_IN

OSC32_IN/PC14 LSE CLK/IO

4

PC15-OSC32_OUT

OSC32_OUT/PC15 LSE LCK/IO

5

PF0-OSC_IN

OSC_IN/PF0

HSE CLK/I

6

PF1-OSC_OUT

OSC_OUT/PF1

HSE LCK/O

7

NRST

T_NRST

STM32H5 RESET

8

PC0

PC0

ARD_A5­ADC1_INP10

9

PC1

PC1

ARD_A4­ADC1_INP11

10

PC2

PC2

IO

11

PC3

PC3

IO

12

VSSA/VREF-

AGND

AGND

13

VDDA/VREF+

VREFP

External analog power supply for ADCs and DACs/Reference voltage supply for ADCs and DACs

14

PA0

PA0

ARD_A0­ADC1_INP0/User button

15

PA1

PA1

ARD_A1­ADC1_INP1

16

PA2

PA2(4)/USART2_TX(5) ARD_A2­ADC1_INP14(4)/STLINK_TX (T_VCP_TX)(5)

17

PA3

USART3_RX(4)/ USART2_RX(5)

ARD_D0/T_VCP_RX

18

VSS

GND

PWR GND

19

VDD

VDD

VDD voltage supply

20

PA4

USART3_TX

ARD_D1/STLINK_TX (T_VCP_TX)

21

PA5

PA5

ARD_D13­SPI1_SCK

22

PA6

PA6

ARD_D12­SPI1_MISO

23

PA7

PA7

ARD_D11­SPI1_MOSI/TIM3_CH2

24

PC4

PC4

IO(4)/VBUS_DET(5)

25

PC5

PC5

IO

26

PB0

PB0

ARD_A3­ADC1_INP9

27

PB1

PB1

IO

28

PB2

PB2

IO

29

PB10

PB10

ARD_D6­TIM2_CH3

30

VCAP1

VCAP

VCORE supply voltage

31

VSS

GND

PWR GND

32

VDD

VDD

VDD voltage supply

33

PB12

PB12

IO

34

PB13

PB13

IO

35

PB14

USART1_TX

ARD_D1/STLINK_TX (T_VCP_TX)(3)

36

PB15

USART1_RX

ARD_D0/STLINK_RX (T_VCP_RX)(3)

37

PC6

PC6

ARD_D9­TIM3_CH1

UM3121 – Rev 3

page 29/40

UM3121
STM32H5 Nucleo-64 I/O assignment

Pin

Pin name

Signal or label

Main feature/optional feature/SB(1)(2)

38

PC7

PC7

ARD_D8 – IO

39

PC8

PC8

IO(4)/ARD_D2(5)

40

PC9

PC9

ARD_D10­SPIx_CS/TIM3_CH4

41

PA8

PA8

ARD_D7 – IO

42

PA9

PA9

USB_VBUS(4)/IO(5)

43

PA10

PA10

ARD_D2 – IO

44

PA11

PA11

USB_FS_N/IO

45

PA12

PA12

USB_FS_P/IO

46

PA13

T_SWDIO

T_SWDIO

47

VSS

GND

PWR GND

48

VDD

VDD

VDD voltage supply

49

PA14

T_SWCLK

T_SWCLK

50

PA15

T_JTDI

T_JTDI

51

PC10

PC10

USB_FS_PWR_EN(4)/USB_Disconnect(5)

52

PC11

PC11

IO

53

PC12

PC12

IO

54

PD2

PD2

USB_FS_OVCR

55

PB3

PB3

ARD_D3 – TIM2_CH2/T_SWO

56

PB4

PB4

ARD_D5­TIM3_CH1

57

PB5

PB5

ARD_D4­IO

58

PB6

PB6

ARD_D15­I2C1_SCL/I3C1_SCL

59

PB7

PB7

ARD_D14­I2C1_SDA/I3C1_SDA

60

BOOT0

BOOT0

BOOT0

61

PB8

PB8

IO

62

VCAP3

VCAP

VCORE supply voltage

63

VSS

GND

PWR GND

64

VDD

VDD

VDD voltage supply

1. The default configuration is in bold. 2. All Nucleo-64 products are delivered with solder bridges configured according to the target MCU supported. 3. For pins 35 and 36, refer to Section 11.4: Virtual COM port (VCP): USART1/USART2/USART3. 4. Valid for NUH503RB$MR1 and NUH503RB$MR2 only 5. Valid for NUH533RE$MR1 only

UM3121 – Rev 3

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14
14.1

UM3121
STM32H5 Nucleo-64 product information

STM32H5 Nucleo-64 product information

Product marking

The stickers located on the top or bottom side of all PCBs provide product information:

·

First sticker: product order code and product identification, generally placed on the main board featuring

the target device.

Example:

Product order code Product identification

·

Second sticker: board reference with revision and serial number, available on each PCB.

Example:

MBxxxx-Variant-yzz syywwxxxxx

On the first sticker, the first line provides the product order code, and the second line the product identification. On the second sticker, the first line has the following format: “MBxxxx-Variant-yzz”, where “MBxxxx” is the board reference, “Variant” (optional) identifies the mounting variant when several exist, “y” is the PCB revision, and “zz” is the assembly revision, for example B01. The second line shows the board serial number used for traceability. Parts marked as “ES” or “E” are not yet qualified and therefore not approved for use in production. ST is not responsible for any consequences resulting from such use. In no event will ST be liable for the customer using any of these engineering samples in production. ST’s Quality department must be contacted prior to any decision to use these engineering samples to run a qualification activity. “ES” or “E” 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.

Some boards feature 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.

To use the same commercial stack in their applications, the developers might need to purchase a part number specific to this stack/library. The price of those part numbers includes the stack/library royalties.

UM3121 – Rev 3

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UM3121
STM32H5 Nucleo-64 product information

14.2

STM32H5 Nucleo-64 product history

NUCLEO-H533RE

Order code

Product identification

NUH503RB$MR1

NUCLEO-H503RB

NUH503RB$MR2

NUH533RE$MR1

Table 19. Product history

Product details

Product change description

MCU:
· STM32H503RBT6 silicon revision “Z”

MCU errata sheet:

·

STM32H503CB/EB/KB/R

B device errata (ES0561)

Initial revision

Board:

·

MB1814H503RB-B01

(main board)

MCU:
· STM32H503RBT6 silicon revision “Y”

MCU errata sheet:

·

·

STM32H503CB/EB/KB/R

B device errata (ES0561) ·

USB Host feature not connected
MCU silicon revision updated

Board:

·

MB1814H503RB-B02

(main board)

MCU:
· STM32H533RET6 silicon revision “Z”

MCU errata sheet:

·

STM32H523xx and

STM32H533xx device

errata (ES0621)

Initial revision

Board:

·

MB1814H533RE-C02

(main board)

Product limitations Limitations linked to MCU silicon revision “Z” (refer to STM32H503CB/EB/KB/RB device errata (ES0561)
No limitation
No limitation

UM3121 – Rev 3

page 32/40

UM3121
STM32H5 Nucleo-64 product information

14.3

Board revision history

Board reference
MB1814 (main board)

Table 20. Board revision history

Board variant and revision H503RB-B01
H503RB-B02 H533RE-C02

Board change description

Board limitations

Initial revision

· Host mode is not recommended on the user’s USB connector (CN3) as the hardware implementation is not USB-C® compliant.
· Use only the Device mode. For details on the hardware configuration, refer to Table 14.

Bill of material changes:

· USB Host mode not connected:

R36, R37, R40, R34, R42, U15,

LD5, SB1, SB7, and SB14 OFF

·

USB Device mode connected No limitation

by default: R35, R43, SB4, and

SB8 ON

· STLINK-V3EC: D2, D3, and D4

OFF

Initial revision

No limitation

UM3121 – Rev 3

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15
15.1
Note:
15.2

UM3121

Federal Communications Commission

(FCC) and ISED Canada Compliance Statements

Federal Communications Commission (FCC) and ISED Canada Compliance Statements

FCC Compliance Statement

Part 15.19
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.

Part 15.21
Any changes or modifications to this equipment not expressly approved by STMicroelectronics may cause harmful interference and void the user’s authority to operate this equipment.

Part 15.105

This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates uses and can radiate radio frequency energy and, if not installed and used in accordance with the instruction, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on, the user is encouraged to try to correct interference by one or more of the following measures:

·

Reorient or relocate the receiving antenna.

·

Increase the separation between the equipment and receiver.

·

Connect the equipment into an outlet on circuit different from that to which the receiver is connected.

·

Consult the dealer or an experienced radio/TV technician for help.

Use only shielded cables.

Responsible party (in the USA)

Francesco Doddo STMicroelectronics, Inc. 200 Summit Drive | Suite 405 | Burlington, MA 01803 USA Telephone: +1 781-472-9634

ISED Compliance Statement
ISED Canada ICES-003 Compliance Label: CAN ICES-3 (B) / NMB-3 (B). Étiquette de conformité à la NMB-003 d’ISDE Canada: CAN ICES-3 (B) / NMB-3 (B).

UM3121 – Rev 3

page 34/40

Revision history
Date 24-Feb-2023 27-Jul-2023 20-Feb-2024

UM3121

Table 21. Document revision history

Revision 1 2
3

Changes
Initial release. Added a second product identification and board revision to Table 14, Table 19, and Table 20.
Updated document with new NUCLEO-H533RE order code, including Table 16 to Table 20.

UM3121 – Rev 3

page 35/40

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