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Altera_Forum's avatar
Altera_Forum
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14 years ago

rx_freqlocked signal on Cyclone IV GX

I'm seeing strange behavior from the rx_freqlocked signal that's output from the Cyclone IV transceiver block in basic mode. According to the transceiver documentation: --- Quote Start --...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
13 years ago

Sorry for the delayed response, I haven't been checking here recently.

As far as I can tell, the rx_freqlocked signal is simply broken. I'd love to hear otherwise, but no one that's posted here has ever reported getting it to work.

I had a support request in to Altera for 8 months and my impression was that they never even really tried to reproduce the problem. I finally let the support request expire out of frustration.

If anyone ever gets this to work, please post here and let us know. For now though I'd recommend just working around it.