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Visitor kocenes
Visitor
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Registered: ‎11-03-2019

$recrem and $setuphold warnings

Hi,

I m new to the fpga. I made an fft module. It has dual port BRAM and FIFO sync.. When I make a timing simulation, it gives $recrem and $setuphold warnings. Recrem warning appears for all fifo s and bram but setuphold appears only for one fifo and and bram( I have 4 fifo s and 2 bram( one of them has constants so not changed during process). Moreover, the fifo that gives me setuphold warning s write controller is same with one of the other fifo s. I don t know what should I do, I design my process by looking bram and fifo s manuel but still, it gives me warning. If someone could help me, I would be very appreciated. (BRAM and FIFO are used with instantation files.)

My best regards,

kocenes

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