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Nexys4 DDR & MIG


Question

Hi,

I am trying to understand how to generate a MIG based memory controller in the Nexys4 DDR board, I am reading the UG586 (Memory Interface Solutions), but I am not sure about the system clock and the reference clock. Should I mark them as "no buffer" in the GUI and connect them in the top level source with a 200MHz clock to both of them? 

Thanks in advance for your help

best regards,

Pedro 

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