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Altera_Forum
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17 years ago

Cyclone 3 problem: Holding nConfig low

I am having a really weird problem with a really simple board. Using an EP3C25E144C8N, active serial configuration mode with an EPCS16, MSEL[2:0] = 010. I can successfully erase and program the con...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
17 years ago

Thanks, FvM...This is what I feared...but now the question is, what could I have possibly done to the device to cause an input to act as a pulldown!

Oh, and sorry for being so wordy in my initial post...I figured it was better to provide all the information I had, rather than keep people guessing :)

I have attached my schematic, if anyone sees an error that would cause this failure mode for the FPGA...please let me know!