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Altera_Forum
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15 years ago

Problem in programming C II using ASP or JTAG

Can I configure C II FPGA without CPLD? I designed a board that uses C II EP2C5t144 and used ONLY a config chip called EPCS1NI8. I attached the schematic here for that portion. Can you hel...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

I have the MSEL0 and MSEL1 connected to the GND.

Is that correct for the ASP mode?

I was surprised this morning that it did work, I mean I was able to upload using the ASP connector.

Would that be because I left the board for 24 hours not used.

That indicates to me (with a beginner knowledge) that it might be the FLUX residue, wasn't dry enough yesterday, and today got dry!!

I really need to know why that happen.

What do you think?