CH341 HDK

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SCH and Board Functions

  • Power Select - select chip power supply and output either 5V or 3V3
  • UART | Other Switch - switch either uart output or any other (IIC SPI Parallel, etc) interface

LEDs:

  • Power LED
  • RDY LED - serial ready LED
  • TNOW LED - serial sending status LED

Side Pin header

  • UART
  • IIC
  • SPI (CS0 CS1)

All the rest pins are lead out on chips side

  • CH341 SCH

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