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8051 x PIC

andre moutinho

Hi,

I am determining the microcontroller for a project I would like to know the differences between a PIC microcontroller and a 8051 ( e.g. at89s8252) based microcontroller. It seems that both have similar features.

Thanks a lot,

Andre

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  • 0 in reply to andre moutinho

    You'll have trouble finding a PIC with 32 I/Os.
    Are these mainly inputs or outputs?
    A couple of shift registers daisy chained
    (parallel in or out as per your requirements) can transform just 3 I/O pins into many inputs or outputs. How well this suits you depends upon your sampling speed requirements.

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  • 0 in reply to andre moutinho

    You'll have trouble finding a PIC with 32 I/Os.
    Are these mainly inputs or outputs?
    A couple of shift registers daisy chained
    (parallel in or out as per your requirements) can transform just 3 I/O pins into many inputs or outputs. How well this suits you depends upon your sampling speed requirements.

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