• Support a lot of modules:
    • Asynchronous serial port, RS232, RS485, etc
    • Print port,
    • Parallel port, EPP or MEM mode
    • And the commonly used 2-wire and 4-wire synchronous serial interface.
      • IIC, SDA, SCL pin – mostly used to flash 24 EEPROM.
      • SPI, 4-wire, 5-wire. DCK, DIN, DOUT, CS0, CS1, CS2 pin. Mostly used to flash 25 SPI flash, possible to flash ISP ICs like AVR.
  • Special designed flash tool, avaible in wiki page.
  • Support 5V and 3V3 power supply to target.
  • Fully support USB-TTL flash, support flash ICs like STC C51.
  • Mode select switch UART | other modes, in uart mode, device recorngized by PC serial port, in other modes, device recorgnized as external device.

All documentations, demo video please see on this page. 

Additional information

Weight 0.01 kg


1 review for CH341 USB To UART, I2C, SPI Parallel Breakout Board

  1. 5 out of 5

    mandi (verified owner)

    Works with Win7 and the CH341 driver from To me this board is so versatile, so it’s a must.

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