prog

board file - https://github.com/SpenceKonde/DxCore http://drazzy.com/package_drazzy.com_index.json

• if network problems https://github.com/SpenceKonde/DxCore/issues/520

pin

https://github.com/SpenceKonde/DxCore/blob/master/megaavr/extras/DB64.md

ref

• avr128