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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

It can have multiple reasons... The next time it doesn't work, you can try and look at the signals going from the USB blaster with an oscilloscope. Some combinations of cable length and bad contact could distort the signals enough to make the upload fail.