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Altera_Forum
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14 years ago

How to connect LAN91C111 in Qsys?

Hi all, I got confused about connecting LAN91C111 controller in Qsys. I use the Generic Tri-State Controller in Qsys, and choose the LAN91C111 Interface preset. The problem is the clk in...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

Sorry, I don't know of any designs that have been ported to Qsys that use the Lan91c111 MAC/PHY. That chip is pretty old and hasn't been on embedded dev kits from Altera for years. I recommend looking for the datasheet for that device and double checking it against the settings in the generic tristate controller after you apply the 91c111 present. Also make sure in that controller that it has a software attribute that identifies it as an ethernet device.