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8051 controller with ethernet

Discussion in '8bit Microcontrollers' started by Markus Falkensteiner, Jul 3, 2003.

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  1. Hi NG,

    i'm searching for a microcontroller from the 8051 family (core should be
    compatible to 8051core from original Intel)
    that has an ethernet controller included. is such kind of microcontroller
    available.
    and if not, can someone give me a hind which mikrocontroller would be best
    for developing ethernetapplication.
    i just want to do that for self-study.

    PS: also a 16-bit controller would be ok for me, but for the recommended
    controller should be developing software-tools available.

    thx in advance
    max
     
  2. rw

    rw Guest

    try DALLAS or how they are called MAXIM-DALLAS
    rw
     
  3. Check out the Dallas DS80C400, a 75MHz 8051 with ethernet MAC, TCP
    stack, CAN2B etc. Although they call it a "microcontroller", its
    internal ROM is for the pre-programmed network functions and you'll
    have to add external code memory.


    Best regards,
    Spehro Pefhany
     
  4. A.M.

    A.M. Guest

  5. Ingvar Kreft

    Ingvar Kreft Guest

  6. Howard Long

    Howard Long Guest

    If you don't need high speed but want a way of hooking up a device to a LAN,
    I am using these... http://www.lantronix.com/products/eds/xport/index.html
    which provide an Ethernet to 3.3v level UART interface. You can also
    reprogram the device to do other functions. They are about $35 for one off
    quantities. The dev kit is about $110.

    I interface from 5V to 3.3V them to PICs using a simple potential divider
    (4.7k+8.2k), and for 3.3V to 5V simply wire the pins together: this is
    within spec for a PIC (logic 1 is 2V or higher). I use a 3.3V low dropout
    regulator to power it (LM3940IT-3.3) with no heatsink required when powered
    from 5V.

    First time I tried the XPORT, I converted a serial device to an Ethernet
    device in under an hour.

    (I have no connection with Lantronix other than being a user of their XPORT
    product.)

    Kind Regards, Howard
     
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