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help me in DAC using 89c4051

pradeep kumar

Sir, I am using 89c4051 to convert digital to analog. pin 1.0 and 1.1 are used, but I am confused how to us? please help me I don't know anything.

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  • 0 in reply to pradeep kumar

    mcu 89v51rd2 is not communicating serially. rs232 cable is working.
    mcu was communicating 4 days before, but now it is not communicating.. I have lost 2 mcu. what would be the problem?
    check that your MAX232(equivalent) is connected correctly.
    do not remember how, but remember it was the transciever connection

    Erik

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  • 0 in reply to pradeep kumar

    mcu 89v51rd2 is not communicating serially. rs232 cable is working.
    mcu was communicating 4 days before, but now it is not communicating.. I have lost 2 mcu. what would be the problem?
    check that your MAX232(equivalent) is connected correctly.
    do not remember how, but remember it was the transciever connection

    Erik

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