Forum Discussion

Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
19 years ago

Cyclone III AS configuration bizarreness

I am using a cyclone III (EP3C25F324C8N) with an EPCS16 configuration device. I am programming the configuration device through the FPGA with the serial flash loader. The problem is that the Cyc...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
18 years ago

I tried a 25R resistor between the FPGA and EPCS on the DCLK line. This doesn't fix the problem. The FPGA is back to not configuring until I touch the pin with probe/screwdriver.

Back to the magic 100pF I suppose.....

:)