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LGTISP

LGT8Fx8P ISP download protocol implementation

introduction

This is an implementation of LGT8Fx8P ISP download protocol. You can make arduino board as ISP for programing LGT8Fx8P.

usage

  1. Make a LGTISP:
    1. Burn LGTISP into arduino board.
    2. Short RESET pin and VCC pin of arduino board to avoid bootloader executing.
    3. The arduino board becomes a LGTISP now! Connect SWD and SWC. RST can be either connect or not.
      Arduino Nano LGT
      D13 -> SWC
      D12 -> SWD
      D10 -> RST
  2. Burn bootloader into LGT8Fx8P:
    1. install Larduino.
    2. change Board to LGT8Fx8P.
    3. change Programmer to AVR ISP.
    4. click Burn Bootloader!

advanced usage

  • You can read GUID!
  • You can read almost all flash after power-down! I crack it, haha
  • more details : LGTISP programmer
  • Explore yourself!

author

brother_yan

reference

LarduinoISP
ISP4LGT8F328P