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Observer larshb
Observer
88 Views
Registered: ‎08-30-2018

VRP termination for Kintex Ultrascale XCKU115 (cascading DCI)

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To enable DCI for I/O banks I need to terminate VRP with 240 Ohms at at least one bank in every "bank column". From what I can gather, this means I need VRP-termination at at least one bank for banks 24/25, one for banks 44..48 and one for banks 64..68. Is this correct?

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Xilinx Employee
Xilinx Employee
39 Views
Registered: ‎05-07-2019

Re: VRP termination for Kintex Ultrascale XCKU115 (cascading DCI)

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Hi,

DCI is only available for HP banks. I hope you are using the xcku115 -flva1517 package according to your given data. The below figure shows that bank 65 and 64 are High Range Banks(DCI is not available).

f1.png

Yes, you are right. You need atleast one VRP termination at one bank for the HP banks in the same IO Bank column uses DCI.

f2.png   

f3.png

 

For more details, Please have a look at the page 24 and 27 of UG571.

Thank you,

Kind Regards,

Kasthuri.

1 Reply
Xilinx Employee
Xilinx Employee
40 Views
Registered: ‎05-07-2019

Re: VRP termination for Kintex Ultrascale XCKU115 (cascading DCI)

Jump to solution

Hi,

DCI is only available for HP banks. I hope you are using the xcku115 -flva1517 package according to your given data. The below figure shows that bank 65 and 64 are High Range Banks(DCI is not available).

f1.png

Yes, you are right. You need atleast one VRP termination at one bank for the HP banks in the same IO Bank column uses DCI.

f2.png   

f3.png

 

For more details, Please have a look at the page 24 and 27 of UG571.

Thank you,

Kind Regards,

Kasthuri.