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Altera_Forum
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13 years ago

TSE RGMII rxdv error

Hello, i am using altera tse ip core 10/100/1000. It works very well for link 10/100. Tx direction works as well for link 1000. Rx direction is not working properly. Signal rxdv has error flag ...
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Altera_Forum
Icon for Honored Contributor rankHonored Contributor
13 years ago

Hello,

the gigabit link issue is solved. Altera TSE MAC works correctly. The problem is in timing from Marwell 88E1111. 88E1111 has two modes for RGMII RX Clk delay. It is necessary to choose second mode. Then it works correctly.

Cheers,

Vaclav Kraus