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parallel port programming for AT89XX(problem)

Discussion in 'Microcontrollers' started by niranjan23, Aug 28, 2012.

  1. niranjan23

    niranjan23 New Member

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    I have problem with AT89XX programmer which is parallel as well as serial communication port, I got one programmer with it's design and I implement that circuit...

    So problem is Programmer is not connecting with PC and software also, I tried 3 to 4 software to program AT89SXX.

    Please tell me how to I program AT89S51 and how connect with PC....

    Circuit and programmer attached below.....≧≧

    8051 dev.jpg 28082012059.jpg

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