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Altera_Forum
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12 years ago

Cyclone V Transceiver Synchronised 32bit Word Alignment Problem

I am using the cyclone v gt (http://www.altera.co.uk/products/devkits/altera/kit-cyclone-v-gx.html) demo board in an attempt to get a transceiver channel that has a direct loopback (Tx->Rx) across th...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
10 years ago

Hi,

Yes it works consistently. Please find attached a power up signaltap analysis on the alignment. I am using 4 drives that I wake up. As you can see two of them appear to be misaligned and when I activate the rx_enapatternalign inputs then the stuff really realigns to the correct patterns.

It works everytime....

Still wondering what Altera support suggested to you.

regards!