Overview

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

Dimensions

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