ST STM32H7B3I-DK User Manual

Introduction
The STM32H7B3I-DK Discovery kit is a complete demonstration and development platform for STMicroelectronics Arm
®
Cortex
®
-M7 core-based STM32H7B3LIH6QU 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
FD-CAN, 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, FD-CAN, 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 connectors and STMod+ connector 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 1 - December 2019
For further information contact your local STMicroelectronics sales office.
www.st.com

ST STM32H7B3I-DK Specifications

General

Brand	ST
Model	STM32H7B3I-DK
Category	Microcontrollers
Language	English

Summary

Introduction to STM32H7B3I-DK

Product Features Overview

Ordering and Product Information

Product Marking Conventions

Explains markings on the STM32 device and evaluation tool.

Codification Explanation

Details the meaning of the STM32H7B3I-DK order code components.

Development Environment Setup

System Requirements

Lists the necessary OS and hardware for development.

Development Toolchains

Specifies recommended IDEs like Keil, IAR, and GCC.

Demonstration Software

Describes the preloaded demo software and its source.

Board Conventions and Recommendations

ON/OFF Settings Conventions

Defines conventions for jumpers, solder bridges, and resistors.

Delivery and Initial Checks

Advises on checking for damage and component fixation upon delivery.

Getting Started and Technology Partners

Initial Setup Steps

Guides on connecting the board and launching demo applications.

Technology Partner Information

Lists partner components like MACRONIX Octo-SPI Flash memory.

Hardware Layout and Configuration

Embedded STLINK-V3E Debugger

Details the integrated STLINK-V3E features, drivers, and firmware.

Power Supply Options

Covers powering the board via USB, external sources, and internal configurations.

MCU Power Supply Configurations

Explains SMPS/LDO configurations and their settings.

Current Consumption Measurement

Describes how to measure MCU current consumption using a jumper.

Board Peripherals and Functions

Clock Sources and Reset

Outlines clock sources and reset mechanisms for the STM32H7B3I-DK.

Display, USB, and Storage Interfaces

Covers TFT LCD, USB OTG HS, and microSD card interfaces.

Audio, CAN, Memory, and Connectivity

Details Audio codec, FD-CAN, Octo-SPI Flash, SDRAM, and Virtual COM port.

User Interface Elements and Wi-Fi

Describes buttons, LEDs, TAG connector, and the Wi-Fi RF module.

Board Connectors Overview

STLINK-V3E USB Micro-B Connector

Pinout details for the STLINK-V3E USB connector.

USB OTG HS Micro-AB Connector

Pinout details for the USB OTG HS Micro-AB connector.

microSD Card Connector

Pinout details for the microSD card slot.

STMod+ Connector

Pinout details for the 20-pin STMod+ connector.

Camera Module Connector

Pinout details for the 30-pin camera module connector.

TAG Connector

Pinout details for the TAG interface connector.

External I2C Connector

Pinout details for the EXT_I2C connector.

Audio Connectors

Details CN3 audio connector and I2C addresses.

TFT LCD Display Connector

Pinout details for the TFT LCD display connector.

ARDUINO® Uno V3 Connectors

Pinout details for the ARDUINO® Uno V3 compatible connectors.

Audio Jacks

Pinout details for CN5 (line out) and CN6 (line in) audio jacks.

Appendices

STM32H7B3I-DK I/O Assignment

Comprehensive mapping of pins to GPIO ports and signals.

Fanout Board (MB1280) Details

Describes the fanout board, its connectors, and compatibility.

STMod+ GPIO Sharing and Multiplexing

Details signal sharing and multiplexing for STMod+ connector.

FCC and IC Compliance Statements

Provides regulatory compliance statements for FCC and Industry Canada.

Document Revision History