zedboard with readback capture through BSCANE2 primitive

Hello experts,

I try to build the readback capture design on the Zedbroad according to this tutorial:

https://www.xilinx.com/support/documentation/application_notes/xapp1230-configuration-readback-capture.pdf

But I met the error prompt during bitstream generation:

ERROR: [DRC 23-20] Rule violation (PDCN-2) connects_TDO - BSCAN_X0Y3: Must use the input pin TDO

I have googled the error message, but real information about it. It seems that the TDO input pin of BSCANE2 primitive should be connected to somewhere, but I have no idea where to be connected.

Has anyone success with this design on the Zedboard?

Thank you in advance!

Best Regards,

0 jafoste4 over 8 years ago

Hello YM,
I am going to suggest that you ask this quesiton over at the Xilinx Forum as they are the creators of this material and are in charge of supporting it.
https://forums.xilinx.com/
--Josh
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0 duckcud over 8 years ago in reply to jafoste4

Hello Josh,

Thank you for your reply! I have read one post on the Xilinx forum that described the same problem as mine, but no one answered. I thought that maybe I could find some clue here.

Best Regards,
YM
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0 goekhanakguen over 6 years ago in reply to duckcud

Hello YM,
Could you gain new knowledge about readback on Zedboard?
Best regards,
GoekhanAkguen
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0 duckcud over 6 years ago in reply to goekhanakguen

Hello GoekhanAkguen,
it's quite a long time. I barely couldn't remember it. I currently use PCAP to realise the reaback feature.
Regards, YM
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