Forums › Forums › General › Can I use Quartus Lite (Free) version to download my Verilog program? › Reply To: Can I use Quartus Lite (Free) version to download my Verilog program?
If you update XLR8 via JTAG and USB Blaster with Quartus Prime Lite, you will indeed blow away the AVR core.
The only way to upload your custom Verilog design to the FPGA and preserve the AVR/Arduino compatibility is to use our OpenXLR8 methodology.
You can learn more about OpenXLR8 here: https://www.aloriumtech.com/openxlr8
I hope that this answers your question. I’m glad you asked!