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Altera_Forum
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12 years ago

Intermittent 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_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
10 years ago

1) make sure to hook up the transceiver reconfiguration controller to the PCIe core.

2) make sure refclk is stable at 100MHz before the FPGA image configuration complete.