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Altera_Forum
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12 years ago

lan91c111 autonegation

Hi First let me start by describing the hardware that I am using. I am using the SMSC LAN91C111 ethernet MAC & PHY which is driven by the NIOS II processor . I am not using a EEPROM in ...
Altera_Forum's avatar
Altera_Forum
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12 years ago

So you verified the smsc device is sending FLPs, if you probe with the scope at the phy input, can you see the link partner's FLPs? When connected, does either device ever stop sending FLPs? If you read the smcs's link partner ability register, and it reads 0, it doesn't sound like the phy is seeing anything on the rx side. If you configured the link partner for 100mb fixed, what do you see on either side when you probe? Can you probe right at the rx pins on the phy?