Difference between revisions of "CH554 HDK"

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Latest revision as of 02:23, 26 November 2021


  • UART0
  • UART1
  • SPI

Change power supply and Boot Bug

  • change power supply to 3.3V it not boot correctly into bootload mode
  • Optionally, connect VDD33 jumper, so 3.3V feed VDD