CH559 USB MCU Mini DEV Board [CH55x Series]

Description

  • CH559 has more features and bigger flash size.
  • Support USB hub, two USB transceiver, one is normal speed (female A USB pin “DP DM” and micro USB), one is high speed (On board marked “HS USB, pin HP HM”).
  • All lead out pins.
  • On board power led, four programming leds IO P1.4-P1.7.
  • Fuse protection on input power pins 3.3V and 5V.
  • 2*3 jumper select 3.3V / 5V and ON/OFF, both 5V or 3.3V can work by chip.
  • Lead out pinheader 1×4: serial UART port, logic level complaint.
  • On board optional crystal reserved.
  • USB directly programming. To enter into flash bootloader mode, hold down PROG button, and press RESET button.
  • New version improve the USB part, and board layout

All documentation please find at CH55X wiki page, or customer github.

WCH CH55x Series:

Additional information

Weight 0.015 kg

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