ST STM32H735G-DK User Manual

Introduction
The STM32H735G-DK Discovery kit is designed as a complete demonstration and development platform for STMicroelectronics
Arm
®
Cortex
®
-M7 core-based STM32H735IG microcontroller. This microcontroller features five I²C, six SPIs with four
multiplexed full-duplex I
2
S interfaces, five USARTs, five UARTs and one ULP UART, one TT/CAN FD, two CAN FDs, two 16-bit
ADCs and one 12-bit ADC, two 12-bit DACs, two SAIs, two Octo-SPI interfaces with OTFDEC crypto, FMC interface, two
SDMMC controllers, two analog comparators, one SPDIF-RX, DFSDM (8 channels / 4 filters), one USB OTG HS and one USB
OTG FS, Ethernet MAC, DCMI interface, TFT LCD controller interface, JTAG and SWD for debugging support.
The STM32H735G-DK Discovery kit offers everything required by the user to get started quickly and develop applications easily.
The hardware features on the board help to evaluate the following peripherals: USB OTG FS, 10/100-Mbit Ethernet, microSD
™
,
USART, SAI audio codec stereo with two audio jacks for input/output, ST MEMS digital microphone, 128-Mbit HyperRAM
™
memory, 512-Mbit Octo-SPI NOR Flash memory, CAN FD, 20-pin microphone MEMS connector with DFSDM interface, 4.3-inch
RGB TFT-LCD display with capacitive touch panel. The ARDUINO
®
Uno V3 compatible connectors, Pmod
™
, and STMod+
connectors allow easy connection of extension shields or daughterboard for specific applications.
The integrated STLINK-V3E provides an embedded in-circuit debugger and programmer for the STM32 MCU.
Figure 1. STM32H735G-DK Discovery kit (top view)
Figure 2. STM32H735G-DK Discovery kit (bottom view)
Pictures are not contractual.
Discovery kit with STM32H735IG MCU
UM2679
User manual
UM2679 - Rev 1 - April 2020
For further information contact your local STMicroelectronics sales office.
www.st.com

ST STM32H735G-DK Specifications

General

Core	Arm Cortex-M7
Clock Speed	480 MHz
On-board ST-LINK/V2-1	Yes
GPIOs	Up to 140
Microcontroller	STM32H735
Flash Memory	2 MB
RAM	564 KB
Ethernet	10/100 Mbps
USB	USB 2.0
ADC	16-bit
Operating Voltage	1.7 V to 3.6 V
Expansion	Arduino Uno V3 connectors
Operating Temperature	-40°C to +85°C
Package	LQFP176
DAC	2 channels, 12-bit
Communication Interfaces	I2C, SPI, USART, CAN

Summary

Introduction to STM32H735G-DK Discovery Kit

STM32H735G-DK Features

Ordering Information for STM32H735G-DK

Product Marking

Details on evaluation tool markings and device version specific for stack operation.

Codification

Explains the meaning of the codification used in order codes for the STM32H735G-DK board.

Development Environment Setup

System Requirements

Lists the operating systems and hardware needed to use the STM32H735G-DK.

Development Toolchains

Lists supported software development tools like IAR, Keil, and STM32CubeIDE.

Demonstration Software

Describes the preloaded demonstration software and its availability for download.

Conventions Used in Documentation

Delivery Recommendations

Hardware Layout and Configuration

Embedded STLINK-V3E

Details the integrated STLINK-V3E for programming and debugging STM32 MCUs.

Power Supply Options

Explains the various 5 V DC power supply inputs and configurations for the STM32H735G-DK.

MCU Current-Consumption Measurement

Describes how to measure the MCU's current consumption using a jumper.

Clock Source Selection

Lists the three available clock sources for the STM32H735G-DK board.

Reset Sources

Details the active LOW reset sources and their connection to peripheral reset functions.

Board Peripherals and Interfaces

Details key board functions including LCD, USB, Ethernet, Audio, CAN FD, memory, buttons, and LEDs.

Board Connectors Overview

STLINK-V3E and USB Connectors

Covers the CN15 STLINK-V3E and CN14 USB OTG FS connectors for programming and communication.

Memory and Expansion Connectors

Details microSD, STMod+, Pmod, and TAG connectors for memory and external module connections.

Audio, Display, and Network Connectors

Covers audio, display, Ethernet, ADC, and ARDUINO Uno V3 connectors for I/O expansion.

Appendix A STM32H735G-DK I/O Assignment

Appendix B FCC and IC Compliance Statements

FCC Compliance Statement

Details compliance with FCC rules, including modifications and limits for digital devices.

IC Compliance Statement

Covers compliance with Industry Canada RF exposure limits and RSS standards.

Appendix C CE Conformity

Warning

Warning regarding compliance with EN 55032 / CISPR32 Class A standards.

Revision History