• sales


CoreH743I, STM32 STM32H743IIT6 MCU core board


Part Number:CoreH743I

Date:2020/09/18 17:49

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


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

  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