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Honored Contributor
Honored ContributorIntermittent PCIE LTSSM stuck at Detect Quiet
Hi I had an intermittent issue during power-up or reset. Sometimes it works and the ltssm state is at L0. sometimes it is not working and the ltssm state is stuck at Detect.quiet. Anyone e...
Altera_ForumHonored Contributor
Honored ContributorPlease see http://www.altera.com/literature/ug/ug_s5_pcie.pdf#page=316
If you are stuck in detect.quiet it sounds like you might not be exiting reset correctly. Check the signal voltage levels into the FPGA conform to PCIe 3.3V spec.
