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Altera_Forum
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13 years ago

Constraining SDRAM

Hello, I have a very strange issue on my EP3C55F484, when sometimes Nios II processor works, sometimes - not. One minute I am able to upload the binary, it works fine for a half of a day even if I...
Altera_Forum's avatar
Altera_Forum
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13 years ago

ALT_DDIO_OUT? Why?

That said, TQ can model all the delays inside the FPGA.

Though.. ALT_DDIO_x might have some kind of embedded false path exceptions (rising to fall and fall to rising).