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Find control algorithm

Discussion in 'Electronic Design' started by [email protected], Mar 1, 2007.

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  1. Guest

    Hi all,
    FM95HS02EM8XEM is a rolling code generation from Fairchild, that now
    is going out of production. I need its control algorithm to implement
    it into another microcontroller
    Can anyone help me ?

    thanks in advance

    maurizio
     
  2. John Barrett

    John Barrett Guest

    do you have a link to the datasheet ?? just curious -- would like to see
    what the chip does to evaluate what it would take to reverse engineer and
    re-implement.
     
  3. Guest

    you can find it at: http://eshop.engineering.uiowa.edu/NI/pdfs/01/23/DS012302.pdf.
    Fairchild purchased it from National some years ago.

    bye

    maurizio
     
  4. John Barrett

    John Barrett Guest

    do you want to maintain compatibility with existing recievers ?? or would
    replacing both be an option ??

    doing an equivalent function would be dirt simple -- matching exactly what
    they do would be highly difficult without them coughing up the exact
    algorithm -- The documentation states that the details of the encoder are
    available to customers -- time to make a phone call !!

    if you need 100% compatibility -- I'd be calling fairchild or buying up
    every single last one of the darn things I could find :)

    or place an order for your 10 year projected needs now before it goes out of
    production :)

    (starting to sound like it'll be easier to just find another chipset that
    will do the job, unless fairchild will cough up the alogithm !!)
     
  5. Guest

    I need the 100% compatibility with existing receivers. I have some
    problems to receive this algorithm from Fairchild, because
    intellectual property, so i'm trusting in someone helping me to find
    it anywhere. An idea about any Internet site, where I can try to find
    it ?

    thank you

    maurizio
     
  6. John Barrett

    John Barrett Guest

    No clue -- at this point -- I would be figuring out how many I need for
    repair and replacement for the next 5-10 years and place an order before
    they go our of production -- then find a new chip for future designs
     
  7. Guest

    OK! Thanks for your replies
    bye

    maurizio
     
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