OpenH743I-C Standard, STM32H7 Development Board

OpenH743I-C Standard, STM32H7 Development Board,

Overview

OpenH743I-C is an STM32 development board designed for the STM32H743IIT6 microcontroller, consists of the mother board and the MCU core board CoreH743I.

The OpenH743I-C supports further expansion with various optional accessory boards for specific application. The modular and open design makes it the ideal for starting application development with STM32 series microcontrollers.

What's on the mother board

1. MCU core board connector: for easily connecting the CoreH743I
2. Arduino interface: for connecting Arduino shields
3. DCMI interface: for connecting camera
4. 8-bit FMC interface: easily connects to peripherals such as NandFlash
5. ULPI interface: for connecting high-speed USB peripheral (the STM32H743I integrates USB HS controller without any PHY device)
6. LCD interface 1: for connecting 10.1inch LCD, 7inch LCD, 4.3inch LCD
7. LCD interface 2: for connecting 4.3inch LCD
8. SAI1 interface: for connecting audio modules
9. ICSP interface: Arduino ICSP
10. SPI interfaces:
    • easily connects to SPI peripherals such as DataFlash (AT45DBxx, W25QXX), SD card, MP3 module, etc.
    • easily connects to AD/DA modules (SPI1 features AD/DA alternative function)
11. Ethernet interface: for connecting Ethernet modules
12. I2S / I2C interface: easily connects to I2S peripherals such as audio module, etc.
13. USART1 connector: USB to UASRT via the onboard convertor CP2102 
14. QUADSPI interface: 4-wires SPI interface (the H7 series latest peripheral interface), for connecting serial Flash modules like W25QXX Board
15. SDMMC interface: for connecting Micro SD module, features much faster access speed rather than SPI
16. USART3 interface: easily connects to RS232, RS485, USB TO 232, etc.
17. CAN2 interface: for connecting CAN modules
18. CAN1 interface: for connecting CAN modules
19. I2C1/I2C4 interface: easily connects to I2C peripherals such as I/O expander (PCF8574), EEPROM (AT24Cxx), 10 DOF IMU Sensor, etc.
20. MCU pins connector: all the MCU I/O ports are accessible on expansion connectors for further expansion
21. 5V DC jack
22. 5V/3.3V power input/output: usually used as power output, also common-grounding with other user board
23. Power supply switch: powered from 5VDC OR USB connection of the USART1
24. CP2102: USB to UART convertor
25. LEDs: convenient for indicating I/O status and/or program running state
26. Joystick: five positions
27. WAKE UP button: used as regular button, and/or wake up the STM32 MCU from sleep
28. Reset button
29. USART1 jumper
30. LED jumper
    • short the jumper to connect to default I/Os used in example code
    • open the jumper to connect to custom I/Os via jumper wires
31. KEY jumper
    • short the jumper to connect to default I/Os used in example code
    • open the jumper to connect to custom I/Os via jumper wires
32. Arduino jumper
    • short the upper pins, A4, A5 is used as AD function
    • short the lower pins, A4, A5 is used as I2C function

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

Photos

OpenH743I-C development board

OpenH743I-C development board back view

OpenH743I-C mother board

OpenH743I-C mother board

STM32 Cortex-M7 MCU board

Connecting to various peripherals

Connecting to various peripherals

Connecting to USB device via convertor cable

4.3inch lcd emWin demo1

4.3inch lcd emWin demo2

4.3inch lcd emWin demo3

4.3inch lcd emWin demo4

7inch lcd emWin demo1

7inch lcd emWin demo2

7inch lcd emWin demo3

7inch lcd emWin demo4

Connecting to USB3300 USB HS Board

Connecting to OV2640 Camera Board

Connecting to NandFlash Board

Connecting to RS232 Board

Connecting to RS485 Board

Connecting to CAN Board

Connecting to 8 Push Buttons

Connecting to 5 IO Keypad

Connecting to AD Keypad

Test Board on the AD/DA port

Connecting to FRAM Board

Multi I2C peripheral Module connected to the I2C bus

Connecting to Micro SD Storage Board

Connecting to DataFlash Board

Connecting to NRF24L01 RF Board

Connecting to Ethernet Board

Connecting to VS1003B MP3 Board

Connecting to audio Board

Connecting to VGA PS2 Board

Connecting to any accessory board you need

Note:
The Modules in the photos are for reference only.
The OpenH743I-C 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

Figure 2. 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

Wiki: www.waveshare.com/wiki/OpenH743I-C

Dimensions

PACKAGE CONTENT

Weight: 0.327 kg

1. OpenH743I-C development board x 1
2. USB type A plug to micro B plug cable x 1
3. USB type A receptacle to micro B plug cable x 1
4. 4-pin 2-pin wires pack x 1
5. 5V power adapter x 1

1

2

3

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