CoreH743I, STM32 STM32H743IIT6 MCU core board

SKU: 16635
Part Number: CoreH743I
Brand: Waveshare


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STM32 STM32H743IIT6 MCU core board, full IO expander, JTAG/SWD debug interface
STM32H743IIT6 development board


CoreH743I is an STM32 MCU core board designed for STM32H743IIT6, supports further expansion. It is ideal for starting application development with STM32H family.

  • Minimal ready-to-run system, integrates clock circuit, USB power management, USB connector, etc.
  • Onboard 64M Bit SDRAM
  • All the I/O ports are accessible on the pin headers
  • JTAG/SWD programming/debugging interface
  • 2.0mm header pitch, allowed to be plugged-in your application board

What's on the CoreH743I

STM32H743IIT6 development board on board resource

  1. STM32H743IIT6:the high performance STM32 MCU which features:
    • Core: Cortex-M7 32-bit RISC + double-precision FPU + Chrom-ART graphic accelerator
    • Feature: single-cycle DSP instructions
    • Operating Frequency: 480MHz, 1027 DMIPS / 2.14 DMIPS/MHz
    • Operating Voltage: 1.62V-3.6V
    • Package: LQFP176
    • Memories: 2MB Flash, 1MB RAM (864KB User+192KB TCM+4KB Backup)
    • MCU communication Interfaces:
      • 6 x SPI, 4 x USART, 4 x UART, 1 x LPUART, 3 x I2S
      • 4 x I2C, 2 x FDCAN, 1 x QUAD-SPI, 1 x DCMI, 4 x SAI
      • 1 x FMC, 2 x SDMMC, 10 x TIM , 5 x LPTIM
      • 1 x LTDC, 1 x SPDIFRX, 1 x HDMI-CEC, 1 x SWPMI
      • 2 x COMP, 2 x OPAMP, 1 x HRTIM, 1 x RNG, 1 x DM2D, 1 x MDIO, 1 x SysTick
      • 1 x USB 2.0 OTG FS
      • 1 x USB 2.0 OTG HS (supports external HS PHY through ULPI)
      • 1 x 10/100 Ethernet MAC
    • AD & DA converters: 3 x AD (16-bit); 2 x DA (12-bit)
    • Debugging/Programming: supports JTAG/SWD interfaces, supports IAP
  2. IC42S16400J / IS42S16400J: SDRAM 1 Meg Bits x 16 Bits x 4 Banks (64-MBIT)
  3. STMPS2151STR: onboard USB power management device
  4. AMS1117-3.3: 3.3V voltage regulator
  5. 8M crystal
  6. 32.768K crystal, for internal RTC with calibration
  7. Reset button
  8. VBUS LED: USB port indicator
  9. PWR LED: Power indicator
  10. Power supply switch, powered from 5Vin or USB connection
  11. Boot mode selection, for configuring BOOT0 pin
  12. JTAG/SWD interface: for debugging/programming
  13. USB connector, supports Device and/or Host
  14. MCU pins expander, VCC, GND and all the I/O pins are accessible on expansion connectors for further expansion
  15. POWER jumper
    • VBAT: short the jumper to use system power supply, open it to connect external power, such as battery
    • VREF: short the jumper to connect VREF+ to VCC, open it to connect VREF+ to other custom pin via jumper wire
  16. OTG jumper
    • short the jumper when using USB OTG/HOST
    • open the jumper to disconnect from related I/O port

Note: CoreH743I provides JTAG/SWD debugging interface, yet does NOT integrate any debugging function, a debugger is required.

JTAG/SWD interfaces

The figure 1, and 2 show the header pinouts of JTAG/SWD interface

Figure 1. JTAG Header Pinout
JTAG Header Pinout
Figure 2. SWD Header Pinout
SWD Header Pinout

Development Resources

  • Schematic
  • Demo code (examples in C, FreeRTOS, μC/OS-III)
  • STM32 development software (KEIL, STM32CubeMX, etc.)
  • STM32 datasheets
  • STM32 development documentations



STM32 MCU core board dimensions

Weight: 0.075 kg

Quick Overview

  1. CoreH743I x 1
  2. USB type A plug to micro B plug cable x 1