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[SOLVED] Driving MMCM through ibufds_GTE3

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UltraGreen

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The differential input clock has to be fed to AXI bridge pcie-gen3 for ultrascale, also the same clock pin needs to be fed at MMCM to generate other clocks.



I connected ibufds_GTE3 to the differential clock pins and axi-bridge-pcie3 is driven by output of ibufds_GTE3; this works fine.

But as soon as I connect the same output of ibufds_GTE3 and drive MMCM through bufg . I get the following error:

"ERROR: [DRC 23-20] Rule violation (RTSTAT-2) Partially routed net - 1 net(s) are partially routed"



Help needed, Thanks
 

You must use the ODIV2 output from the IBUFDS_GTE3 and connect it to a BUFG_GT.
You can configure the ODIV2 output to have the same of half the frequency of the O output.
 
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