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PIC12F629 MCLR/GP3

Discussion in 'Electronic Design' started by simon, Jul 14, 2004.

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  1. simon

    simon Guest

    I understand that MCLR is multiplexed and can be configured as a general
    purpose I/O on the PIC12F629. I must be going blind... I can't see
    anywhere in the data sheet that describes how to do this. I've been
    looking for the MCLRE control bit in a SFR but can't seem to find it.
    Can anyone point me in the right direction?

    Cheers,
    Simon.
     
  2. simon

    simon Guest

    Thanks for the help,
    Simon.
     
  3. It is not a register value that you can change 'in use'. It is in the
    configuration fuses, that are set when programming the chip.
    Look under the section 'special features of the CPU'. Bit 5 of the
    'Config' configuration word, sets this option.

    Best Wishes
     
  4. Activ8

    Activ8 Guest

    Now that you've probably left, let me add that it's not an i/o pin
    in that config, just an input. You'll see.
     
  5. simon

    simon Guest

    Yes, I did know. Just used I/O for convenience.
    Thanks anyway,
    Simon.
     
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