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Contributor
Contributor
445 Views
Registered: ‎05-04-2017

where could i find the xilinx reference design xapp775?

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Hi:

    I am trying to design a 100G ethernet's pcs block, and thought that the xapp775 will be a pretty good guide, but since it was too age old, i can not find any xapp775 files on xilinx's website, so is there anyone got this reference design or knew where to find it, please help me know, thanks a lot.

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Xilinx Employee
Xilinx Employee
348 Views
Registered: ‎04-16-2008

Re: where could i find the xilinx reference design xapp775?

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It doesn't look like the files are available anymore.  I don't think it would be very straight forward to reuse for 100G Ethernet in Kintex US+.  We do offer a paid soft 100G Ethernet MAC+PCS or PCS only core. 

https://www.xilinx.com/products/intellectual-property/40_100g_ethernet.html

 

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Moderator
Moderator
427 Views
Registered: ‎08-25-2009

Re: where could i find the xilinx reference design xapp775?

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Hi @dlfc ,

Which device are you targeting? Are you looking to use the hard cmac? xapp775 is quite dated and probabaly for old devices too.

 

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Contributor
Contributor
421 Views
Registered: ‎05-04-2017

Re: where could i find the xilinx reference design xapp775?

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For now, the device i used is xcku5p-ffvb676, the hard cmac binding in the device is too less, even in the vu+ series, the hard cmac is still less than what i need, so i am considering to design one followed the xapp775.
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Moderator
Moderator
412 Views
Registered: ‎08-25-2009

Re: where could i find the xilinx reference design xapp775?

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Hi @dlfc ,

Can you please specify what you mean by "less"? Do you mean you need more cmac but the device does not have? 

 

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Contributor
Contributor
403 Views
Registered: ‎05-04-2017

Re: where could i find the xilinx reference design xapp775?

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Yes, we need more cmac, for example, in our application, we want to implement all the GTYs to become 100G ethernets, for xcku5p-ffvb676, there are sixteen GTYs, but only one cmac binding in the device, so if we want to more 100G ethernets, we need to make out a pcs block.
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Xilinx Employee
Xilinx Employee
349 Views
Registered: ‎04-16-2008

Re: where could i find the xilinx reference design xapp775?

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It doesn't look like the files are available anymore.  I don't think it would be very straight forward to reuse for 100G Ethernet in Kintex US+.  We do offer a paid soft 100G Ethernet MAC+PCS or PCS only core. 

https://www.xilinx.com/products/intellectual-property/40_100g_ethernet.html

 

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Contributor
Contributor
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Registered: ‎05-04-2017

Re: where could i find the xilinx reference design xapp775?

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But for the xcku5p-ffvb676 device, how could i implement four 100G ethernets, since there is only one cmac core?
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Xilinx Employee
Xilinx Employee
282 Views
Registered: ‎04-16-2008

Re: where could i find the xilinx reference design xapp775?

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The soft core I linked above is all fabric logic and doesn't use the hard CMAC block.  It is a paid netlist drop that you would need to work with your sales rep on ordering.

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Contributor
Contributor
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Registered: ‎05-04-2017

Re: where could i find the xilinx reference design xapp775?

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Another question, did the soft core listed above implement in CAUI4 mode or CAUI10 mode or optional? thanks a lot.
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Xilinx Employee
Xilinx Employee
208 Views
Registered: ‎05-01-2013

Re: where could i find the xilinx reference design xapp775?

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It's optional

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