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Item specifics
  • Power: Low Power
  • Name: Waveshare
  • Frequency: Low Frequency
  • Type: SCM
  • Model Number: Open405R-C Standard
  • Category: STM32F4 ARM Cortex-M4 Development Board
  • For use with: STM32F405R Development & Study
  • Features: Open & Modular design, features various communication interfaces
  • Supports: 2.2" 320x240 touch screen LCD
  • Programming interface: JTAG/SWD
Product Description
Core:Cortex-M4 32-bit RISC
Operating Voltage:1.8V-3.6V
Memories:1MB Flash, 192+4kB SRAM
Package:LQFP64


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

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  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

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  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

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Open405R-C development board
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Open405R-C development board
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Open405R-C development board back view
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Open405R-C mother board
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MCU core board Core405R
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MCU core board Core405R

Connecting to various peripherals
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Connecting to touch screen LCD
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Connecting to USB device through OTG cable
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Connecting to USB3300 USB HS Board
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Connecting to UDA1380 Board
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Connecting to RS232 Board
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Connecting to RS485 Board
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Connecting to USB UART Board
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Connecting to CAN Board
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Connecting to 8 Push Buttons
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Connecting to 5 IO Keypad
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Connecting to AD Keypad
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Test Board on the AD/DA port
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Connecting to FRAM Board
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Multi I2C peripheral Module connected to the I2C bus
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Connecting to DataFlash Board
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Connecting to VS1003B MP3 Board
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Connecting to NRF24L01 RF Board
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Connecting to Micro SD Storage Board
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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
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Figure 2. SWD Header Pinout
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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

  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

For buyer

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Packaging Details
  • Unit Type: piece
  • Package Weight: 0.2kg (0.44lb.)
  • Package Size: 10cm x 10cm x 10cm (3.94in x 3.94in x 3.94in)
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Packaging Details
  • Unit Type: piece
  • Package Weight: 0.2kg (0.44lb.)
  • Package Size: 10cm x 10cm x 10cm (3.94in x 3.94in x 3.94in)
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