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Writing to 8255 Ports using xdata

lina t

Hi,I'm using 8051 microcontroller and am new to c51 coding.Somebody pls help me how to write to 8255 using c.

Thanks,
lina

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  • 0 in reply to erik malund

    "You are being taught stuff that will get you fired if you apply it in real life."

    Not entirely.

    The 8255 is obsolete, but the general principles behind memory-mapped IO are still good.

    So, understand how XDATA access works - but don't waste too much time learning the intricacies of the 8255!

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  • 0 in reply to erik malund

    "You are being taught stuff that will get you fired if you apply it in real life."

    Not entirely.

    The 8255 is obsolete, but the general principles behind memory-mapped IO are still good.

    So, understand how XDATA access works - but don't waste too much time learning the intricacies of the 8255!

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