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Open8S208Q80 Package B, STM8 Development Board

Open8S208Q80 Package B, STM8 Development Board

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$103.49  $93.14
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  • Description
STM8 development board designed for STM8S series, features the STM8S208MB MCU, and integrates various standard interfaces, pretty easy for peripheral expansions.


Open8S208Q80 is a STM8 development board that features a STM8S208MB device as the microcontroller. It 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 STM8 microcontroller.

What's On Board

  1. STM8S208MB:the high performance STM8 MCU which features:
    • Core: 8-bit
    • Operating Frequency: 24 MHz(20 MIPS) Max
    • Operating Voltage: 2.7-5.5V
    • Package: LQFP80
    • I/Os: 68
    • Memories: 128kB Flash, 6kB SRAM, 2kB EEPROM
    • Communication Interfaces: 1 x SPI, 1 x I2C, 2 x UART, 1 x CAN, 12 x PWM, 16 x ADC
    • Debugging/Programming: SWIM
  2. AMS1117-3.3: 3.3V voltage regulator
  3. Power switch
  4. Power indicator
  5. LEDs: convenient for indicating I/O status and/or program running state
  6. Reset button
  7. User keys: for I/O input test and/or program control
  8. Joystick: five positions
  9. 8M crystal oscillator
  10. Adjustable resistor: for LCD12864 contrast adjustment
  11. UART1 interface: for connecting UART peripherals, such as RS232, RS485, USB TO UART, etc.
  12. CAN interface: for connecting CAN modules
  13. PS/2 interface: for connecting PS/2 devices, such as keyboard and/or mouse
  14. SPI interface: for connecting SPI peripherals, such as DataFlash (AT45DBxx), SD card, MP3, etc.
  15. 16 I/Os interface: for connecting accessory boards which using I/O control, such as FT245 USB FIFO, 8 SEG LED, etc.
  16. I2C interface: for connecting I2C peripherals, such as I/O expander (PCF8574), EEPROM (AT24Cxx), etc.
  17. UART3 interface: for connecting UART peripherals, such as RS232, RS485, USB TO UART, etc.
  18. Graphic multi-color LCD interface: for connecting 2.2 inch multi-color touch screen LCD which using SPI control
  19. Graphic dot-matrix LCD interface: for connecting graphic LCDs such as LCD12864
  20. 1-WIRE interface: for connecting 1-WIRE devices (TO-92 package), such as temperature sensor (DS18B20), electronic registration number (DS2401), etc.
  21. 5V DC jack
  22. Custom crystal socket
  23. VCC power input/output: usually used as power output, also common-grounding with other user board
  24. MCU pins connector: all the MCU pins are accessible on expansion connectors for further expansion
  25. SWIM interface: for debugging/programming
  26. User keys jumper
  27. Joystick jumper
  28. 1-WIRE jumper
  29. LEDs jumper
  30. PS/2 jumper
  31. LCD interface selection jumper
    • short the jumper for dot-matrix LCD
    • open the jumper for multi-color LCD
  32. VDD selection jumper
  33. Crystal selection jumper
  34. VREF selection jumper

For jumpers 26-30:

  • short the jumper to connect to I/Os used in example code;
  • open the jumper to connect to other custom pins via jumper wires.


Open8S208Q80 Development Board

Open8S208Q80 Development Board Back View

Connecting to a debugger

Connecting to various peripherals

Connecting to touch screen LCD

Connecting to LCD12864

Connecting to CAN Board

Connecting to RS232 Board

Connecting to RS485 Board

Connecting to USB UART Board

Connecting to USB FIFO Board

Connecting to 8 SEG LED

Connecting to 8 Push Buttons

Connecting to 5 IO Keypad

Connecting to AD Keypad

Connecting to Capacitive Touch Keypad

Connecting to EEPROM Board

Connecting to RTC Board

Multi I2C peripheral Module connected to the I2C bus

Connecting to DataFlash Board

Connecting to NRF24L01 RF Board

Connecting to any accessory board you need

Note: The Open8S208Q80 does NOT integrate any debugging function, a debugger is required.

SWIM Interface

The figure below shows the header pinout of SWIM interface

Development Resources

The User Guide CD includes development resources listed as follow:

  • Related Software (ST Visual Develop, Cosmic)
  • Demo Code (examples in C, based on ST Visual Develop, Cosmic)
  • Schematic (PDF)
  • STM8 Development Documentations (Datasheets etc.)

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