This design does actually have a second external FPGA chip, which is in the "Unt...

		xobs on Dec 28, 2019 \| parent \| context \| favorite \| on: Open Hardware on Its Own Doesn’t Solve the Trust P... This design does actually have a second external FPGA chip, which is in the "Untrusted" domain. It's running an ICE40UP5K, and acts more as the power management IC that turns the secure domain on and off.