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Altera_Forum
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10 years ago

SoC with DDR3: Fitter refuses to fit HPS_DM_0

I am trying to compile a 5CSEBA2U23I7S with DDR3 using Quartus 14.1 (and 15.1, same problem); all pins are according to the pin-out document for Cyclone V , but the fitter insists in not agreeing wit...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
10 years ago

You might have conflicting constraints then. If you start incrementally adding parts from the first design to the second one you might be able to figure out if one of the pieces is in conflict. I would also search the .qsf file (with Quartus closed) for "PIN_G28" to make sure you didn't accidentally assign two resources to the same pin.