ST STM32H7B3I-DK Discovery

Introduction
The STM32H7B3I-DK Discovery kit is a complete demonstration and development platform for STMicroelectronics' Arm
®
Cortex
®
-M7 core-based STM32H7B3LIH6Q microcontroller. This microcontroller features four I
2
C interfaces, six SPIs with four
multiplexed full-duplex I
2
S interfaces, two SDMMC controllers, five USARTs, five UARTs, one ULPUART, one TTFD-CAN, one
CAN FD, two 16-bit ADCs, two 12-bit DACs, two SAIs, two Octo-SPI interfaces, two analog comparators, one SPDIF-RX,
DFSDM (8 channels / 8 filters), one USB HS OTG and one USB FS OTG, DCMI interface, FMC interface, TFT LCD controller
interface, JTAG, and SWD debugging support.
This STM32H7B3I-DK Discovery kit offers everything required for users to get started quickly and develop applications easily.
The hardware features on the board help to evaluate the following peripherals: USB HS OTG, microSD
™
card, 8-bit camera
interface, audio DAC stereo with audio jack input and output, 128-Mbit SDRAM memory, 512-Mbit Octo-SPI Flash memory,
Wi‑Fi
®
module (802.11 b/g/n compliant), I
2
C extension connector, CAN FD, 20-pin microphone MEMS connector with DFSDM
interface, 4.3-inch TFT-LCD (480*272) using an RGB interface with a capacitive touch panel. The ARDUINO
®
Uno V3
compatible and STMod+ connectors allow easy connection of extension shields or daughterboards for specific applications.
The integrated STLINK-V3E provides an embedded in-circuit debugger and programmer for the STM32 MCU.
Figure 1. STM32H7B3I-DK top view
Figure 2. STM32H7B3I-DK bottom view
Pictures are not contractual.
Discovery kit with STM32H7B3LI MCU
UM2569
User manual
UM2569 - Rev 6 - September 2021
For further information contact your local STMicroelectronics sales office.
www.st.com

ST STM32H7B3I-DK Discovery Specifications

General

Brand	ST
Model	STM32H7B3I-DK Discovery
Category	Microcontrollers
Language	English

Summary

Introduction

Features

Ordering information

Codification

Explains the meaning of the product order code and its components.

Development environment

System requirements

Lists the necessary hardware and software for the development environment.

Development toolchains

Specifies the IDEs and compilers supported for development.

Demonstration software

Details the preloaded software for demonstrating board peripherals.

Conventions

Delivery recommendations

Getting started

Hardware layout and configuration

Embedded STLINK-V3 E

Description

Overview of the integrated STLINK-V3E for programming and debugging.

Drivers

Instructions for installing necessary drivers for the STLINK-V3E.

STLINK-V3 E firmware upgrade

Process for updating the firmware of the embedded STLINK-V3E.

Using an external debug tool to program and debug the onboard STM32

Guide on using external debug tools with the board.

Power supply

Supplying the board through STLINK-V3 E USB connector 5 V 500 mA

Details powering the board via the onboard STLINK-V3E USB connector.

Supplying the STM32 H7 B3 I-DK using the external power supply input from VIN (7 to 12 V, 800 mA max)

Explains how to power the board using an external 7-12V VIN supply.

Supplying the STM32 H7 B3 I-DK using a USB charger (5 V)

Describes powering the board using a standard 5V USB charger.

Supplying the STM32 H7 B3 I-DK using USB OTG HS connector (5 V 500 mA)

Details powering the board via the USB OTG HS connector.

MCU power supply - SMPSLDO configuration

Explains the internal SMPS/LDO configurations for MCU power.

Measurement of MCU current consumption

How to measure the MCU's current consumption.

Clock source

Details the available clock sources for the MCU.

Reset sources

Board functions

TFT color LCD 480 x272 pixels

Describes the 4.3-inch touchscreen LCD module and its interface.

USB OTG HS

Covers the high-speed USB OTG capabilities and connector.

EXTI2 C

Details the external I2C connector for module expansion.

microSD card

Information about the microSD card slot and its interface.

Audio

Explains the audio codec and available audio connections.

CAN FD

Describes the CAN FD interface and its configuration.

Octo-SPI NOR Flash memory

Details the 512-Mbit Octo-SPI NOR Flash memory device.

SDRAM memory

Information on the external 128-Mbit SDRAM.

Virtual COM port

Explains the Virtual COM port functionality over USART1.

TAG

Information on the TAG connector for debugging and programming.

Buttons and LEDs

Describes the function of the board's buttons and LEDs.

Wi-Fi RF module

Details the integrated Wi-Fi module and its features.

Board connectors

CN14 STLINK-V3 E USB Micro-B connector

Pinout and function of the USB connector for STLINK-V3E.

CN15 USB OTG HS Micro-AB connector

Pinout and function of the USB OTG HS connector.

CN4 microSD card connector

Details the microSD card slot and its pinout.

P1 STMod+ connector

Pinout and purpose of the STMod+ expansion connector.

CN7 camera module connector

Pinout for connecting an 8-bit camera module.

CN12 TAG connector

Pinout of the TAG connector for debugging.

CN16 EXTI2 C connector

Details the external I2C connector for interface monitoring.

CN3 audio connector

Pinout for the audio MEMS daughter extension connector.

CN1 TFT LCD connector

Pinout for connecting the 4.3-inch TFT LCD touchscreen.

CN10, CN11, CN19, and CN20 ARDUINO Uno V3 connectors

Pinout for ARDUINO Uno V3 compatible connectors.

CN5 audio green jack - line out

Pinout for the stereo audio green jack (headphone output).

CN6 audio blue jack - line in

Pinout for the stereo audio blue jack (audio line input).

STM32 H7 B3 I-DK board information

Product marking

Information on product order code, identification, and board references.

STM32 H7 B3 I-DK product history

Details product identification, silicon revisions, and limitations.

Board revision history

Lists revisions of the main board and daughterboards.

Appendix A STM32 H7 B3 I-DK IO assignment

Appendix B STMod+ GPIO sharing and multiplexing

Appendix C Federal Communications Commission (FCC) and Innovation, Science and Economic Development Canada (ISED) Compliance Statements

C.1 FCC Compliance Statement

FCC compliance information and statements.

C.2 ISED Compliance Statement

ISED Canada compliance information and statements.

Revision history

List of tables

List of figures