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Newbie szorzetti
Newbie
8,808 Views
Registered: ‎05-16-2014

Aurora Latency

Hello,

 

I am using the Aurora IP 64B/66B v7.3.

 

According to the manual the maximum latency for GTX trancevers is 37 USER_CLK. I have done the simulation suggested in the chapter 6 of the same manual, I have simulated the _exdes esample, and the related test bench, the result that I get is 50 USER_CLK, as you can see on the attached picture.

 

simulation latency.png

 

Do you have any idea why on the simulationI don't get the same result of the manual?

 

Thank you,

Silvia

 

 

 

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2 Replies
Moderator
Moderator
8,777 Views
Registered: ‎01-15-2008

Re: Aurora Latency

Hi,

Kindly check the latest user guide, it is mentioned 53 clock cycles latency for simulation, page 11

http://www.xilinx.com/support/documentation/ip_documentation/aurora_64b66b/v9_2/pg074-aurora-64b66b.pdf

 

--Krishna

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Moderator
Moderator
8,771 Views
Registered: ‎02-16-2010

Re: Aurora Latency

The latency value specified in the documentation is for the default configuration. If any additional blocks (Ex: CRC) are enabled, latency could increase.
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