ST NUCLEO-H755ZI-Q User Manual

Contents UM2408
2/51 UM2408 Rev 2
Contents
1 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2 Ordering information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2.1 Product marking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2.2 Codification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
3 Development environment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
3.1 Development toolchains . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
3.2 System requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
3.3 Demonstration software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
4 Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
5 Quick start . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
5.1 Getting started . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
6 Hardware layout and configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
6.1 Nucleo-144 board layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
6.2 Mechanical drawing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
6.3 Program and debug the onboard STM32H7 target . . . . . . . . . . . . . . . . . 15
6.3.1 Using the STLINK-V3E to program and debug the onboard STM32H7 15
6.3.2 Using an external debug tool to program and debug the onboard
STM32H7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
6.4 Power supply and power selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
6.4.1 Power supply input from STLINK-V3E USB connector (Default setting) 17
6.4.2 External power supply input from V
IN
(7-11 V, 800 mA max) . . . . . . . . . 18
6.4.3 External power supply input 5V_EXT (5 V, 500 mA max) . . . . . . . . . . . 19
6.4.4 External power supply input from USB CHARGER (5V) . . . . . . . . . . . . 20
6.4.5 External power supply input from 3V3_EXT (3.3 V) . . . . . . . . . . . . . . . 20
6.4.6 Debugging while using V
IN
or EXT as an external power supply . . . . . 21
6.4.7 External power supply output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
6.4.8 Internal SMPS / LDO Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
6.4.9 JP5: 1.8 V / 3.3 V selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
6.5 External SMPS selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
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ST NUCLEO-H755ZI-Q Specifications

General

Manufacturer	STMicroelectronics
Microcontroller	STM32H755ZI
Core Size	32-bit
Speed	480 MHz
Flash Memory	2 MB
SRAM	1 MB
Connectivity	USB, CAN, I2C, SPI, UART
Ethernet	Yes
Number of I/Os	140
Program Memory Type	Flash
Operating Temperature	-40°C ~ 85°C
Mounting Type	Through Hole
Package / Case	LQFP-144
Expansion Interface	Arduino, ST morpho
On-board Debugger	ST-LINK/V2-1
Core Processor	ARM Cortex-M7
USB	USB 2.0
Peripherals	DMA, PWM
Voltage - Supply (Vcc/Vdd)	1.7V ~ 3.6V
Power Supply	USB or External Source

Summary

Quick start

Getting started

Step-by-step guide to configure and launch the demo application.

Hardware layout and configuration

Nucleo-144 board layout

Illustrates connections and key features of the Nucleo-144 board.

Program and debug the onboard STM32H7 target

Using the STLINK-V3E to program and debug the onboard STM32H7

Details features and usage of the integrated STLINK-V3E debugger.

Using an external debug tool to program and debug the onboard STM32H7

Power supply and power selection

Power supply input from STLINK-V3E USB connector (Default setting)

Guide on powering the board via the ST-LINK USB connector.

External power supply input from VIN (7-11 V, 800 mA max)

Instructions for connecting an external VIN power supply (7-11V).

External power supply input 5V_EXT (5 V, 500 mA max)

Instructions for connecting an external 5V_EXT power supply.

External power supply input from USB CHARGER (5V)

How to power the board using a 5V USB charger.

External power supply input from 3V3_EXT (3.3 V)

Using a 3.3V external supply, which disables ST-LINK power.

Debugging while using VIN or EXT as an external power supply

Procedure for debugging when using VIN or EXT for power.

Internal SMPS / LDO Configuration

Internal SMPS / LDO Configuration

USART communication

USB OTG FS or device

Ethernet (Only with NUCLEO-H745ZI-Q and NUCLEO-H755ZI-Q)

Solder bridges