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USB host.

Discussion in 'Electronic Components' started by Boki, Jun 12, 2007.

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  1. Boki

    Boki Guest

    Hi All,

    I connect the USB D+, D- signals from Nokia cell pop port.

    It emulates the RS232 signal for PC.

    However, I am connecting to Embedded system, I don't have USB host as
    PC Windows.

    I need a USB host with RS232 signal conversion chip, right ?

    However, currently, I found FT2232D, it is about US$6, too expensive
    to my system.

    Could you please advice the cheaper one ?

    Any 8051 USB host ?

    Appreciate!

    Best regards,
    Boki.
     
  2. coals

    coals Guest

    I connect the USB D+, D- signals from Nokia cell pop port.
    but this IC is not a host!
    does not exist!


    The right choice is Vinculum VNC1L.
    http://www.vinculum.com/documents.html

    coals
     
  3. The FT2232, _is not a host_. It is only a USB slave to async serial chip.
    Similar to what is already in the phone. Seriously, the cheapest _host_
    chip, is the Vinculum, which I have already mentioned. It is going to cost
    more than $6 though. Reckon on around $10 for the most basic host chip.
    It depends massively on the quantities involved though. If your product
    could ship in 100000 off quantities, the same chip, can be got well under
    $4.

    Best Wishes
     
  4. Jasen

    Jasen Guest

    avrusb


    Bye.
    Jasen
     
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