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Altera_Forum
Honored Contributor
13 years agoIntermittent 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
Honored Contributor
11 years agoHow is test_in set, please ensure that Table 4-24 is followed:
http://www.altera.com/literature/ug/ug_c5_pcie_avst.pdf#page=88 test_in[0] = 0; test_in[4:1] = 4'b0100; test_in[6:5] = 2'b00; test_in[31:7] = 25'h1; If on hardware ensure that the correct AC caps are fitted to the links.