STM32H750B Discovery Kit

Overview

The STM32H750B-DK Discovery kit is a complete demonstration and development platform for Arm® Cortex®-M7 core-based STM32H750XBH6 microcontroller, with 128Kbytes of Flash memory and 1 Mbytes of SRAM.

The STM32H750B-DK Discovery kit is used as a reference design for user application development before porting to the final product, thus simplifying the application development.

The full range of hardware features available on the board helps users to enhance their application development by an evaluation of all the peripherals (such as USB OTG FS, Ethernet, microSD™ card, USART, CAN FD, SAI audio DAC stereo with audio jack input and output, MEMS digital microphone, HyperRAM™, Octo-SPI Flash memory, RGB interface LCD with capacitive touch panel, and others). ARDUINO® Uno V3, Pmod™ and STMod+ connectors provide easy connection to extension shields or daughterboards for specific applications.

STLINK-V3E is integrated into the board, as the embedded in-circuit debugger and programmer for the STM32 MCU and USB Virtual COM port bridge. STM32H750B-DK board comes with the STM32CubeH7 MCU Package, which provides an STM32 comprehensive software HAL library as well as various software examples.

More information about the board can be found at the STM32H750B-DK website. More information about STM32H750 can be found here:

Supported Features

The stm32h750b_dk board supports the hardware features listed below.

on-chip / on-board
Feature integrated in the SoC / present on the board.
2 / 2
Number of instances that are enabled / disabled.
Click on the label to see the first instance of this feature in the board/SoC DTS files.
vnd,foo
Compatible string for the Devicetree binding matching the feature.
Click on the link to view the binding documentation.

stm32h750b_dk/stm32h750xx target

Type

Location

Description

Compatible

CPU

on-chip

ARM Cortex-M7 CPU1

arm,cortex-m7

ADC

on-chip

STM32 ADC1 3

st,stm32-adc

CAN

on-chip

STM32H7 series FDCAN CAN FD controller2

st,stm32h7-fdcan

Clock control

on-chip

STM32H7 RCC (Reset and Clock controller)1

st,stm32h7-rcc

on-chip

STM32 HSE Clock1

st,stm32-hse-clock

on-chip

STM32 HSI Clock1

st,stm32h7-hsi-clock

on-chip

Generic fixed-rate clock provider3

fixed-clock

on-chip

STM32 LSE Clock1

st,stm32-lse-clock

on-chip

STM32H7 main PLL2 1

st,stm32h7-pll-clock

on-chip

STM32 Clock multiplexer1

st,stm32-clock-mux

on-chip

STM32 Microcontroller Clock Output (MCO)2

st,stm32-clock-mco

Counter

on-chip

STM32 counters12

st,stm32-counter

DAC

on-chip

STM32 family DAC1

st,stm32-dac

Display

on-chip

STM32 LCD-TFT display controller1

st,stm32-ltdc

DMA

on-chip

STM32 DMA controller (V1)2

st,stm32-dma-v1

on-chip

STM32 BDMA controller1

st,stm32-bdma

on-chip

STM32 DMAMUX controller2

st,stm32-dmamux

Ethernet

on-chip

STM32H7 Ethernet1

st,stm32h7-ethernet

Flash controller

on-chip

STM32 Family flash controller1

st,stm32-flash-controller

on-board

STM32 QSPI Flash controller supporting the JEDEC CFI interface2

st,stm32-qspi-nor

GPIO & Headers

on-chip

STM32 GPIO Controller11

st,stm32-gpio

on-board

GPIO pins exposed on Arduino Uno (R3) headers1

arduino-header-r3

I2C

on-chip

STM32 I2C V2 controller4

st,stm32-i2c-v2

I2S

on-chip

STM32H7 I2S controller3

st,stm32h7-i2s

Input

on-board

Group of GPIO-bound input keys1

gpio-keys

Interrupt controller

on-chip

ARMv7-M NVIC (Nested Vectored Interrupt Controller)1

arm,v7m-nvic

on-chip

STM32 External Interrupt Controller1

st,stm32-exti

LED

on-board

Group of GPIO-controlled LEDs1

gpio-leds

MDIO

on-chip

STM32 MDIO Controller1

st,stm32-mdio

Memory controller

on-chip

STM32 Battery Backed RAM1

st,stm32-bbram

on-chip

STM32H7 Flexible Memory Controller (FMC)1

st,stm32h7-fmc

on-chip

STM32 Flexible Memory Controller (SDRAM controller)1

st,stm32-fmc-sdram

MMC

on-chip

STM32 SDMMC Disk Access2

st,stm32-sdmmc

MMU / MPU

on-chip

ARMv7-M Memory Protection Unit (MPU)1

arm,armv7m-mpu

MTD

on-chip

STM32 flash memory1

st,stm32-nv-flash

on-board

Fixed partitions of a flash (or other non-volatile storage) memory2

fixed-partitions

PHY

on-chip

This binding is to be used by all the usb transceivers which are built-in with USB IP1

usb-nop-xceiv

Pin control

on-chip

STM32 Pin controller1

st,stm32-pinctrl

PWM

on-chip

STM32 PWM12

st,stm32-pwm

QSPI

on-chip

STM32 QSPI Controller1

st,stm32-qspi

Reset controller

on-chip

STM32 Reset and Clock Control (RCC) Controller1

st,stm32-rcc-rctl

RNG

on-chip

STM32 Random Number Generator1

st,stm32-rng

RTC

on-chip

STM32 RTC1

st,stm32-rtc

Sensors

on-chip

STM32 family TEMP node for production calibrated sensors with two calibration temperatures1

st,stm32-temp-cal

on-chip

STM32 VBAT1

st,stm32-vbat

on-chip

STM32 VREF+1

st,stm32-vref

Serial controller

on-chip

STM32 USART2 2

st,stm32-usart

on-chip

STM32 UART4

st,stm32-uart

on-chip

STM32 LPUART1

st,stm32-lpuart

SMbus

on-chip

STM32 SMBus controller4

st,stm32-smbus

SPI

on-chip

STM32H7 SPI controller6

st,stm32h7-spi

SRAM

on-chip

Generic on-chip SRAM description1

mmio-sram

Timer

on-chip

ARMv7-M System Tick1

arm,armv7m-systick

on-chip

STM32 timers14

st,stm32-timers

on-chip

STM32 low-power timer (LPTIM)1

st,stm32-lptim

USB

on-chip

STM32 OTGFS controller1

st,stm32-otgfs

Video

on-chip

STM32 Digital Camera Memory Interface (DCMI)1

st,stm32-dcmi

Watchdog

on-chip

STM32 watchdog1

st,stm32-watchdog

on-chip

STM32 system window watchdog1

st,stm32-window-watchdog

Pin Mapping

For more details please refer to STM32H750B-DK website.

Default Zephyr Peripheral Mapping:

  • UART_3 TX/RX : PB10/PB11 (ST-Link Virtual Port Com)

  • LD1 : PJ2

  • LD2 : PI13

  • USART1 TX/RX : PB6/PB7 (Arduino D1/D0)

System Clock

The STM32H750B System Clock can be driven by an internal or external oscillator, as well as by the main PLL clock. By default, the System clock is driven by the PLL clock at 480MHz. PLL clock is feed by a 25MHz high speed external clock.

Serial Port

The STM32H750B Discovery kit has up to 6 UARTs. The Zephyr console output is assigned to UART3 which connected to the onboard ST-LINK/V3.0. Virtual COM port interface. Default communication settings are 115200 8N1.

Programming and Debugging

STM32H750B Discovery kit includes an ST-LINK-V3E embedded debug tool interface. This probe allows flashing and debugging the board using various tools.

See Building an Application for more information about application builds.

Flashing

The board is configured to be flashed using west STM32CubeProgrammer runner, so its installation is required.

Alternatively, OpenOCD or JLink can also be used to flash the board using the --runner (or -r) option:

$ west flash --runner openocd
$ west flash --runner jlink

Flashing an application to STM32H750B_DK

Connect the STM32H750B-DK to your host computer using the ST-LINK USB port, then run a serial host program to connect with the board. For example:

$ minicom -b 115200 -D /dev/ttyACM0

You can then build and flash applications in the usual way. Here is an example for the Hello World application.

# From the root of the zephyr repository
west build -b stm32h750b_dk samples/hello_world
west flash

You should see the following message in the serial host program:

$ Hello World! stm32h750b_dk

Debugging

You can debug an application in the usual way. Here is an example for the Hello World application.

# From the root of the zephyr repository
west build -b stm32h750b_dk samples/hello_world
west debug