Open746I-C Standard, STM32F7 Development Board

  • Mã sản phẩm: Open746I-C Standard
  • Nhà sản xuất: Waveshare
  • Website hỗ trợ:

Weight: 0.345 kg

  1. Open746I-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
  6. User Guide CD x 1







STM32 Development Board Designed For STM32F746I, Features The STM32F746IGT6 MCU, And Integrates Various Standard Interfaces, Pretty Easy For Peripheral Expansions.

STM32F746IGT6 development board


Open746I-C is an STM32 development board designed for the STM32F746IGT6 microcontroller, consists of the mother board and the MCU core board Core746I.

The Open746I-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

STM32F746IGT6 development board on board resource

  1. MCU core board connector: for easily connecting the Core746I
  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 STM32F746I integrates USB HS controller without any PHY device)
  6. LCD interface 1: for connecting 10.1inch LCD, 7inch LCD
  7. LCD interface 2: for connecting 4.3inch LCD
  8. SAI1 interface: for connecting audio modules
  9. ICSP interface: Arduino ICSP
  10. SPI1/SPI2 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. I2S2/I2S3/I2C1 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 F7 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 Core746I

STM32F746IGT6 development board on board resource

  1. STM32F746IGT6:the high performance STM32 MCU which features:
    • Core: Cortex-M7 32-bit RISC + FPU + Chrom-ART graphic accelerator
    • Feature: single-cycle DSP instructions
    • Operating Frequency: 216MHz, 462 DMIPS/2.14 DMIPS/MHz
    • Operating Voltage: 1.7V-3.6V
    • Package: LQFP176
    • Memories: 1024kB Flash, 320+16+4kB SRAM
    • MCU communication Interfaces:
      • 6 x SPI, 4 x USART, 4 x UART, 3 x I2S, 4 x I2C
      • 2 x CAN, 1 x QUAD-SPI, 1 x DCMI, 2 x SAI
      • 1 x FMC, 1 x SDMMC, 14 x TIM , 1xLPTIM
      • 1 xLCD-TFT, 1xSPDIFRX, 1xHDMI-CEC
      • 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 (12-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. MIC2075: 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
  9. 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



STM32 Development Board
Open746I-C development board

STM32 Development Board
Open746I-C development board back view

STM32 Development Board
Open746I-C mother board

STM32 Development Board
Open746I-C mother board

STM32 Cortex-M7 Core746I
STM32 Cortex-M7 MCU board

STM32 Development Board
Connecting to various peripherals

STM32 Development Board
Connecting to various peripherals

USB device
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

USB3300 USB HS Board
Connecting to USB3300 USB HS Board

OV2640 Camera Board
Connecting to OV2640 Camera Board

NandFlash Board
Connecting to NandFlash Board

RS232 Board
Connecting to RS232 Board

RS485 Board
Connecting to RS485 Board

SN65HVD230 CAN Board
Connecting to CAN Board

8 Push Buttons
Connecting to 8 Push Buttons

5 IO Keypad
Connecting to 5 IO Keypad

AD Keypad
Connecting to AD Keypad

Analog Test Board
Test Board on the AD/DA port

Connecting to FRAM Board

I2C cascading x3
Multi I2C peripheral Module connected to the I2C bus

Micro SD Storage Board
Connecting to Micro SD Storage Board

AT45DBXX DataFlash Board
Connecting to DataFlash Board

NRF24L01 RF Board
Connecting to NRF24L01 RF Board

Ethernet Board
Connecting to Ethernet Board

VS1003B MP3 Board
Connecting to VS1003B MP3 Board

WM8960 Audio Board
Connecting to audio Board

VGA PS2 Board
Connecting to VGA PS2 Board

Connecting to any accessory board
Connecting to any accessory board you need

The Modules in the photos are for reference only.
The Open746I-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
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 development board dimensions


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