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Explorer
Explorer
374 Views
Registered: ‎04-11-2016

difference in IBERT and in-system IBERT

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I would like to test BER @24g GTY for xcvu080, xcku5p and saw in IP catalog 2 of them IBERT and in-System IBERT and found reference on youtube:

https://www.youtube.com/watch?v=gzbt4qMf_80

https://www.youtube.com/watch?v=qrm7ZzmWqKs

but don't know how to decide which one to use for this?

Any help?

 

Learn how to use the new integrated Vivado serial I/O analyzer. You will be shown how to customize an IBERT design using the Manage IP flow, create IBERT des...
Learn about the benefits of debug using In-system IBERT introduced in Vivado 2016.3 and the required steps for adding it to a design.
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Xilinx Employee
Xilinx Employee
283 Views
Registered: ‎11-08-2013

Re: difference in IBERT and in-system IBERT

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Just to add, IBERT is a stand-alone design to validate and characterize the GTs while in-system IBERT is like inserting IBERT into the user design to check eye diagram of GTs. In-System IBERT is similar to inserting ILA into a user design to see the signal waveform.

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3 Replies
358 Views
Registered: ‎07-23-2019

Re: difference in IBERT and in-system IBERT

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I only used it once with the GTH Transceiver wizard as it has the option to drop in the ISI. 

I think the in-system is a simplified version, where the other is a full fledge, more configurable.

I always have a coin for those times I can't decide.

Xilinx Employee
Xilinx Employee
315 Views
Registered: ‎05-28-2014

Re: difference in IBERT and in-system IBERT

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In-System-IBERT is used to check RX margin on user data. Whereas IBERT core uses fixed test patterns like PRBS data.

IBERT provides access to all ports, DRPS and status signals (linerate and out clocks) of GT. Using In-System-IBERT user cannot access GT ports (can access only DRP).

IBERT provides users health report of GT at targeted linerate and refrence clock (BER and Errors along with link status) along with eye scan plot (RX margin analysis)

In-System-IBERT give just eye scan plot (RX margin analysis)

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Xilinx Employee
Xilinx Employee
284 Views
Registered: ‎11-08-2013

Re: difference in IBERT and in-system IBERT

Jump to solution

Just to add, IBERT is a stand-alone design to validate and characterize the GTs while in-system IBERT is like inserting IBERT into the user design to check eye diagram of GTs. In-System IBERT is similar to inserting ILA into a user design to see the signal waveform.

View solution in original post