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Altera_Forum's avatar
Altera_Forum
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13 years ago

error occurs when i changed my FPGA

first, i used the Cyclone, my program ran correctly. then, i changed it to Cyclone IV, then the error occurs. some controlling order in my program is wrong, i have not changed my program. so ,...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
13 years ago

From Cyclone to Cyclone IV there are differences in the PLLs, the memory components, some I/O features, timing and of course the pins. All of those can cause errors.