Open103C Standard, STM32F1 Development Board

WSD - 0029

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34,000 Ks

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STM32 development board designed for STM32F103C series, features the STM32F103CBT6 MCU, and integrates various standard interfaces, pretty easy for peripheral expansions.

STM32F103CBT6 development board

Overview

Open103C is an STM32 development board that features an STM32F103CBT6 device as the microcontroller. There are further expansions with various optional accessory boards for specific application. The modular and open design makes it the ideal for starting application development with STM32F family.


What's On Board

STM32F103CBT6 development board on board resource
  1. STM32F103CBT6:the high performance STM32 MCU which features
    • Core: ARM Cortex-M3 32-bit RISC
    • Operating Frequency: 72MHz, 1.25 DMIPS/MHz
    • Operating Voltage: 2-3.6V
    • Package: LQFP48
    • I/Os: 37
    • Memories: 128kB Flash, 20kB RAM
    • Communication Interfaces: 2 x SPI, 3 x USART, 2 x I2C, 1 x USB, 1 x CAN
    • AD & DA converters: 2 x AD (12-bit, 1μs, shares 10 channels)
    • Debugging/Programming: supports JTAG/SWD (serial wire debug) interfaces, supports IAP
  2. AMS1117-3.3: 3.3V voltage regulator
  3. Power supply switch: 5V DC or USB
  4. Power indicator
  5. LEDs: for indicating I/O status or program debugging running state
  6. Reset button
  7. User key: for I/O input test
  8. Joystick: for I/O input test (five positions)
  9. 32.768K crystal oscillator: used for internal RTC, also supports clock calibration
  10. 8M crystal oscillator: enables the MCU run at 72M frequency by frequency multiplication
  11. 8 I/O Interface: easily connects to keypad, motor, etc.
  12. CAN interface: communicates with accessory board which features the CAN device conveniently
  13. SPI1 / SPI2 interface
  • easily connects to SPI peripherals such as FLASH (AT45DBxx), SD card, MP3, etc.
  • convenient for connecting AD module, thanks to the SPI1 alternative AD function
I2C1 / I2C2 interface: easily connects to I2C peripherals such as I/O expander (PCF8574), EEPROM (AT24Cxx), etc. LCD interface: easily connects to the touch screen LCD ONE-WIRE interface: easily connects to ONE-WIRE devices (TO-92 package), such as temperature sensor (DS18B20), electronic registration number (DS2401), etc. USART1 interface: easily connects to RS232, RS485, USB TO 232 USART2 interface: easily connects to RS232, RS485, USB TO 232 USB port: USB communication between board and PC 5V DC jack 5V/3.3 V power input/output, usually used for power output, or common ground with other user board MCU pins connector: all the MCU pins are accessible on expansion connectors for further expansion JTAG/SWD interface: for debugging/programming Boot mode selection: for configuring the BOOT0 and BOOT1 pins USB enable jumper
  • short the jumper to enable the PC auto detection while USB connecting
  • open the jumper to disable
LEDs jumper
  • short the jumper to connect the LEDs to I/Os used in example code
  • open the jumper to connect the LEDs to other custom pins via jumper wires
User key jumper
  • short the jumper to connect the user key to I/Os used in example code
  • open the jumper to connect the user key to other custom pins via jumper wires
Joystick jumper
  • short the jumper to connect the joystick to I/Os used in example code
  • open the jumper to connect the joystick to other custom pins via jumper wires
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
Open103C Development Board
STM32 Development Board
Connecting to touch screen LCD
STM32 Development Board
Connecting to debugger
STM32 Development Board
Connecting to various peripherals
STM32 Development Board touch screen LCD
Connecting to touch screen LCD
RS232 Board
Connecting to RS232 Board via USART
RS485 Board
Connecting to RS485 Board via USART
PL2303 USB UART Board mini
Connecting to USB UART Board via USART
SN65HVD230 CAN Board
Connecting to CAN Board via CAN
ENC28J60 Ethernet Board
Connecting to Ethernet Board via SPI
VS1003B MP3 Board
Connecting to VS1003B MP3 Board via SPI
NRF24L01 RF Board
Connecting to NRF24L01 RF Board via SPI
8 Push Buttons
8 Push Buttons on the 8Bit I/O
5 IO Keypad
Connecting to 5 IO Keypad
AD Keypad
Connecting to AD Keypad
AT24CXX EEPROM Board
Connecting to EEPROM Board via I2C
I2C cascading x3
Multi I2C peripheral Module connected to the I2C bus
AT45DBXX DataFlash Board
Connecting to DataFlash Board via SPI
Micro SD Storage Board
Connecting to Micro SD Board
Connecting to any accessory board
Connecting to any accessory board you need

Note: 
The Open103C supports programming via STM32 USART bootloader, a USB TO UART accessory board is also provided in the package. 
The Open103C does NOT integrate any debugging function, a debugger is required.
The Open103C Standard includes only ONE accessory board -- PL2303 USB UART Board (mini).


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

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

Wiki: www.waveshare.com/wiki/Open103C

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