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  1. #1
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    Problem while programming AT89C2051

    Hlo, everyone

    I am a beginner in this programming stuff I had recently made a line follower robot to make which work i have to program a microchip I have taken the circuit from here :- Line Follower Robot

    I even had attended a workshop at my school where those people gave me the programmer for at89c51 whose name shown on my pc is "Silicon Labs 210x USB to UART Bridge". While researching I found a software ie proload 1.4 which when I used detected the development board but not the chip it shows "Device Programmer for 89 Series 4.4 SS Chip Not Detected 0 bytes used" .In one of the pages(Atmel 89 Series Flash Programmer Ver 3.0) I saw that an adapter could make it work for 20pin chips even will it be true for my development board also..?? and would the circuit for the adapter remain same..??
    And yeah I want to program AT89C2051.
    Plz help me..
    Thanx..

    •   Alt27th January 2011, 15:56

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    Re: Problem while programming AT89C2051

    which programmer are you using to program your chip... proload is the software but which paegrammer you are using
    " It is so simple to be happy,
    but it is so difficult to be simple"



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    Re: Problem while programming AT89C2051

    I told ya Silicon Labs 210x USB to UART Bridge



    •   Alt28th January 2011, 12:44

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    Re: Problem while programming AT89C2051

    Silicon Labs 210x USB to UART Bridge refers to the USB to UART device and driver your programmer is using, it does not explain anything about the programmer or circuit you are using. To program 89C2051 you need a 12V circuit for the reset pin. This mcu only can be programmed in parallel mode.

    Why not use another mcu that can be programmed with ISP? (89S2051, 89S51)
    Do some research and you will learn. There are many websites with information on building one of these programmers.



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    Re: Problem while programming AT89C2051

    Silicon Labs 210x USB to UART Bridge is not the programmer its driver for usb to serial cable.... as ckshivaram said. you never told what external hardware device you are using for programming the controller



    •   Alt28th January 2011, 13:57

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    Re: Problem while programming AT89C2051

    http://nskelectronics.com/usb_8051_programmer.html

    this is it this is the programmer i am using

    Could anyone plz give a link for proload 4.1 plz
    ----------------------



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    " It is so simple to be happy,
    but it is so difficult to be simple"


    1 members found this post helpful.

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    Re: Problem while programming AT89C2051

    I tried the adapter but in vain
    Guyz isnt there a way other than to buy a new programmer..??



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    Re: Problem while programming AT89C2051

    Did you buy an seperate adaptor for 20 pin IC for that programmer board???????
    " It is so simple to be happy,
    but it is so difficult to be simple"



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    Re: Problem while programming AT89C2051

    no ii made it myself



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    Re: Problem while programming AT89C2051

    Quote Originally Posted by rohanz View Post
    no ii made it myself
    Then i deeply suspect the adaptor connection errors. Try programming a 89C52 with the same programmer and it shud work well. Cheers



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