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Altera_Forum's avatar
Altera_Forum
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14 years ago

Stratix IV GX Pin Assignment

Hi, I'm working on the Stratix IV GX 230 board and I'm trying to use the Triple Speed Ethernet in RGMII mode with MDIO. I did everything well untill the moment I needed the PIN in order to co...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

Could you have a look at the RTL viewer on the MDIO/MDC pins and see if it is synthesized correctly? If possible compare with the reference design and check if you can spot any difference.

The fact that it works with the reference design proves that the hardware is working, so trying to spot a difference between the reference design and your project should help you find what's wrong.

You could also add a signaltap probe on the reference project and see if you can spot an answer from the PHY.