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abeli1
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7 years ago

Stratix V pcie refclk lock problem

Good afternoon, colleagues. I have a problem, I can not capture the frequency from pcie refclk. I do everything as described: 1)set_instance_assignment -name IO_STANDARD HCSL -to PCIE_REF_CLK 2) ...
abeli1's avatar
abeli1
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7 years ago
If the input clock is very dirty,

Thank's, Abraham. If other devices (lan card, vga card) work without problems in this pcie socket, can we conclude that the clocks is normally?