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Altera_Forum
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15 years ago

CONF_DONE failed to go high Stratix IV

Hello Gurus I am having hard time while trying to program the FPGA with Altera USB blaster cable. The Stratix IV FPGA is the only component in my JTAG chain. Yet, I can program the device 10% o...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

the config done pin usually has a 10K pullup on it and no LED. I would suggest removing R57 and replacing R49 with a 10K resistor, then seeing if you get better results. I think people have seen in the past that connecting LED's directly to the CONF_DONE pins causes problems, rather connect them through a FET is a better practice. Just my $.02

Kevin