CH554 HDK

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Revision as of 15:23, 26 November 2021 by Chao (talk | contribs)
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Resources

  • 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

  • change power supply to 3.3V

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