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Item specifics
  • Demo Board Type: ARM
  • Category: STM32F4 ARM Cortex-M4 Development Board
  • For use with: STM32F405R Development & Study
  • Features: Open & Modular design, features various communication interfaces
  • Supports: 2.2inch 320x240 Touch LCD
  • Programming interface: JTAG/SWD
Product Description

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STM32 development board designed for STM32F405R series, features the STM32F405RGT6 MCU, and integrates various standard interfaces, pretty easy for peripheral expansions.
STM32F405RGT6 development board

Overview

Open405R-C is an STM32 development board designed for the STM32F405RGT6 microcontroller, consists of the mother board and the MCU core board Core405R.

The Open405R-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 STM32F2 series microcontrollers.


What\\\\\\\'s on the mother board

STM32F405RGT6 development board on board resource
  1. MCU core board connector: for easily connecting the Core405R
  2. UART3 interface: easily connects to RS232, USB TO 232, etc.
  3. SDIO interface: for connecting Micro SD module, features much faster access speed rather than SPI
  4. I2S2/I2S3/I2C1: for connecting I2S peripherals, such as Audio module
  5. I2C1/I2C2 interface: easily connects to I2C peripherals such as I/O expander (PCF8574), FRAM (FM24CLxx), etc.
  6. SPI1/SPI2 + AD/DA interface
    • easily connects to SPI peripherals such as DataFlash (AT45DBxx), SD card, MP3 module, etc.
    • SPI1 features AD/DA alternative function, supports connecting AD/DA module as well
  7. USART2 interface: easily connects to RS232, RS485, USB TO 232, etc.
  8. LCD interface: for connecting touch screen LCD
  9. ULPI interface: for connecting high-speed USB peripheral (the STM32F405R integrates USB HS controller without any PHY device)
  10. UART1 interface: easily connects to RS232, USB TO 232, etc.
  11. CAN2 interface: communicates with accessory boards which feature the CAN device conveniently
  12. CAN1 interface: communicates with accessory boards which feature the CAN device conveniently
  13. ONE-WIRE interface: easily connects to ONE-WIRE devices (TO-92 package), such as temperature sensor (DS18B20), electronic registration number (DS2401), etc.
  14. 5V DC jack
  15. 5V/3.3 V power input/output: usually used as power output, also common-grounding with other user board
  16. MCU pins connector: VCC, GND, and all the I/O ports are accessible on expansion connectors for further expansion
  17. LEDs 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
  18. Joystick 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
  19. User key/Wake-Up button 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
  20. 5V power selection jumper: powered from Core 5V or 5V DC
  21. LEDs: convenient for indicating I/O status and/or program running state
  22. User key: convenient for I/O input and/or interact with running code
  23. Wake-Up button: wake up the STM32 MCU from sleep mode, also used as regular user key
  24. Joystick: convenient for I/O input (five positions)

What\\\\\\\'s on the Core405R

STM32F405RGT6 development board on board resource
  1. STM32F405RGT6: the high performance STM32 MCU which features:
    • Core: Cortex-M4 32-bit RISC
    • Operating Frequency: 168MHz, 210 DMIPS/1.25 DMIPS/MHz
    • Operating Voltage: 1.8V-3.6V
    • Package: LQFP64
    • Memories: 1MB Flash, 192+4kB SRAM
    • MCU communication Interfaces:
      • 3 x SPI, 4 x USART, 2 x UART, 2 x I2S, 3 x I2C, 1 x SDIO, 2 x CAN
      • 1 x USB 2.0 HS/FS device/host/OTG controller with dedicated DMA, on-chip full-speed PHY
      • 1 x USB HS ULPI (external PHY required)
    • AD & DA converters: 3 x AD (12-bit, 1s, shares 16 channels); 2 x DA (12-bit)
    • Debugging/Programming: supports JTAG/SWD (serial wire debug) interfaces, supports IAP
  2. AMS1117-3.3: 3.3V voltage regulator
  3. MIC2075-2: onboard USB power management device
  4. Power supply switch, powered from 5Vin or USB connection
  5. Boot mode selection, for configuring BOOT0 pin
  6. Power indicator
  7. VBUS LED
  8. Reset button
  9. 8M crystal
  10. 32.768K crystal, for internal RTC with calibration
  11. JTAG/SWD interface: for debugging/programming
  12. USB connector, used for establishing USB communication between PC and the STM32 development board
  13. MCU pins expander, VCC, GND and all the I/O pins are accessible on expansion connectors for further expansion
  14. 5Vin pinheader, 5V power supply is required when using USB HOST/OTG
  15. USB jumper
    • short the jumper when using USB
    • open the jumper to disconnect from related I/O port
  16. VBAT selection jumper
    • short the jumper to use system power supply
    • open the jumper to connect the VBAT to external power, such as battery

Photos

STM32 Development Board
Open405R-C development board
STM32 Development Board
Open405R-C development board
STM32 Development Board
Open405R-C development board back view
STM32 Development Board
Open405R-C mother board
STM32 MCU Core Board
MCU core board Core405R
STM32 MCU Core Board
MCU core board Core405R

Connecting to various peripherals

Connecting to touch screen LCD
USB Device
Connecting to USB device through OTG cable
USB3300 USB HS Board
Connecting to USB3300 USB HS Board
UDA1380 Board
Connecting to UDA1380 Board
RS232 Board
Connecting to RS232 Board
RS485 Board
Connecting to RS485 Board
PL2303 USB UART Board mini
Connecting to USB UART 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
FM24CLXX FRAM Board
Connecting to FRAM Board
I2C cascading x3
Multi I2C peripheral Module connected to the I2C bus
AT45DBXX DataFlash Board
Connecting to DataFlash Board
VS1003B MP3 Board
Connecting to VS1003B MP3 Board
NRF24L01 RF Board
Connecting to NRF24L01 RF Board
Micro SD Storage Board
Connecting to Micro SD Storage Board
Connecting to any accessory board
Connecting to any accessory board you need

Note:
The Open405R-C supports programming via STM32 UART bootloader, a USB TO UART accessory board is also provided in the package.
The Open405R-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

The User Guide CD includes development resources listed as follow:

  • Related software (KEIL etc.)
  • Demo code (examples in C, C/OS-II)
  • Schematic (PDF)
  • STM32 development documentations (Datasheet etc.)

Package Contains

The "Standard Package" and "Accessory Boards Package" below are included.

Standard Package

  1. Open405R-C development board x 1
  2. PL2303 USB UART Board (mini) x 1
  3. USB type A plug to mini-B plug cable x 1
  4. USB type A receptacle to mini-B plug cable x 1
  5. 4-pin 2-pin wires pack x 1
  6. USB power cable x 1
  7. User Guide CD x 1
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Accessory Boards Package

  1. 2.2inch 320x240 Touch LCD (A) (SPI touch panel) x 1
  2. Analog Test Board (for testing embedded AD/DA) x 1
  3. USB3300 USB HS Board (ULPI) x 1
  4. SN65HVD230 CAN Board (CAN) 2pcs x 1
  5. FM24CLXX FRAM Board (I2C) x 1
  6. Micro SD Storage Board (SDIO/SPI) x 1
  7. UDA1380 Board (I2S+I2C) x 1
  8. NRF24L01 RF Board (B) (SPI+IOs) 2pcs x 1
  9. AT45DBXX DataFlash Board (SPI+IOs) x 1
  10. Ethernet Cable x 1
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Packaging Details
  • Unit Type: piece
  • Package Weight: 0.5kg (1.10lb.)
  • Package Size: 20cm x 18cm x 10cm (7.87in x 7.09in x 3.94in)
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Packaging Details
  • Unit Type: piece
  • Package Weight: 0.5kg (1.10lb.)
  • Package Size: 20cm x 18cm x 10cm (7.87in x 7.09in x 3.94in)
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