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Altera_Forum
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15 years ago

PHY Transmission - Arria II GX

I am attempting to send a packet over the PHY (Marvell 88E1111) on my Arria II GX board. I followed instructions on how to generate the correct signals. This is done through a large state machine in ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

I followed the RGMII interface specified by Altera more closely and I have a receive and transmit unit working. The ALTDDIO_IN/OUT work very well for this. Also the timing of the TX clock was still shift by 90 degrees.

The only thing that remains is how to make a better basic receive interface? I found that using different equipment preambles vary and even just checking for the preamble itself doesn't work 100% of the time. Do you know of any basic receiver that work very well besides the Altera TSE MAC?