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JVogl's avatar
JVogl
Icon for New Contributor rankNew Contributor
7 years ago

Inconsistent Active Serial Programming on Start Up

I have several boards that, theoretically, are exactly the same. They have a Cyclone V GT and both a header for JTAG programming and a header for Active Serial programming. On all of these boards, I ...
AnandRaj_S_Intel's avatar
AnandRaj_S_Intel
Icon for Regular Contributor rankRegular Contributor
7 years ago

Hi,

Do you have pull down resistor on TCK?

Also check the status on nSTATUS, nCONFIG & CONF_DONE.

Is pin connection guidelines taken care?

https://www.intel.com/content/dam/www/programmable/us/en/pdfs/literature/dp/cyclone-v/pcg-01014.pdf

If possible can you share the schematic? or you can check with respect to Cyclone V Device Handbook Volume 1.

https://www.intel.com/content/dam/www/programmable/us/en/pdfs/literature/hb/cyclone-v/cv_5v2.pdf

Let me know if this has helped resolve the issue you are facing or if you need any further assistance.

Best Regards,

Anand Raj Shankar

(This message was posted on behalf of Intel Corporation)