CoreH743I, STM32 STM32H743IIT6 MCU Core Board, IO Expander, JTAG/SWD Debug

High Performance STM32H7 MCU Core Board With Full IO Expansion And Debug Interface Support

This STM32H743IIT6 MCU core board is designed for high-performance embedded systems, offering a reliable platform for STM32H7 development, prototyping, and product design. Built around a powerful ARM Cortex M7 core, it enables fast processing, real-time control, and efficient execution for complex applications such as industrial automation, IoT devices, robotics, and advanced control systems.

The board features a minimal ready-to-run system with integrated clock circuitry, USB power management, and onboard SDRAM, reducing external component requirements and speeding up development cycles. With full IO accessibility via pin headers and support for JTAG SWD debugging, it ensures flexibility for engineers, developers, and students working on scalable and modular embedded designs.

Key Features

• High Performance MCU: Provides STM32H743IIT6 with a Cortex-M7 core for advanced processing capability
• Onboard SDRAM: Integrated 64Mbit SDRAM for high-speed data handling
• Full IO Access: All GPIO pins are accessible through headers for easy expansion
• Debug Interface: Supports JTAG and SWD programming and debugging
• USB Power Support: Built-in USB power management and connector for convenient operation
• Compact Design: 2.0mm pitch headers suitable for embedded integration
• Ready To Use System: Includes essential circuits like clock and power for a quick start

What's on the CoreH743I

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

Dimensions