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Visitor
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Registered: ‎02-04-2016

How can i reach 800 Mb/s on Nexys Video DDR3 ?

Hi, im student and i have some problems with the configuration of DDR3 on Nexys Video artix 7 whit the IP MIG

 

I have implemented the DDR3 from the tutorial of Digilent: 

 

LINK: https://reference.digilentinc.com/nexys-video/gsmb

 

In this tutorial they put the pin "sys_clk_i" as a clock of 200 MHz? i can put a clock of 800 MHz and the DDR3 reach 800 Mb/s?

So my question is, how can i modified the IP MIG for reach the speed of 800Mb/s i have done this:

original.jpg

then, in the clock period i set the 2500 ps

original1.png

then in input clock period i set 1250 ps and this configuration:

original2.png

original3.png

then i have a problem here because the ip need a CLK_REF so i select the r4 and t4 pins, but when i run the synthesis and it shows an issue and does not implement the synthesis 

original4.png

original5.png

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