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Altera_Forum's avatar
Altera_Forum
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22 years ago

LAN91C111 on Daughtercard, NIOS II

Hi,

I have an evaluation version of NIOS II softcore and I'd like to interface the microprocessor with the LAN91C111 chip on Daughtercard (I have an old development board with an APEX FPGA...).Unfortunately my version support only the SOPCB Ethernet Adapter for LAN91C111 on development board. Is available a version that support the Ethernet Adapter for LAN91C111 on Daughtercad?

Or, is it possible to interface the chip on Daughtercard using the Ethernet Adapter for LAN91C111 on development board?

Thank U.

15 Replies

  • Altera_Forum's avatar
    Altera_Forum
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    No, I don't know. Maybe someone from Microtronix can tell us?

    Is this their product? or the one yhat comes with NiosII?
  • Altera_Forum's avatar
    Altera_Forum
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    Hello Kerri,

    Anyway thank you for your fast help. I believe that someone from Microtronix can help us. I was working with an APEX board with Linux some years ago. Now a Cyclone development board with the stand alone lwip from Microtronix is in my hands.

    Bye,

    niosIIuser
  • Altera_Forum's avatar
    Altera_Forum
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    Hi,

    thank everybody for support. Anyway i think that the bottleneck of our 2 problems is the only "Ethernet Adapter for LAN91C111 on development board", available on NIOS II SOPCB, that supports 32 bit data bus comunication. I think we need another Ethernet Adapter.

    bye
  • Altera_Forum's avatar
    Altera_Forum
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    Hello Soin,

    We don’t need another Ethernet adapter we only need another LAN91C111 driver which support 16-bit communication with the device. Sure it is also possible to use another chip like the DM9000 from which is cheaper than the SMSC part. For both solutions we need a driver. Currently I have no time to write one. I hope someone can help us.

    Bye,

    niosIIuser
  • Altera_Forum's avatar
    Altera_Forum
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    Hi niosIIuser,

    i think i mean the same thing you say: in fact tha Ethernet Adapter you select in SOPCB interface, involves drivers to interface Nios II microprocessor to LAN91C111 chip.

    bye