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1997\04\14@100853 by Todd Peterson

picon face
At 03:29 PM 4/14/97 +0200, you wrote:

>On the PIC16C84, does anybody knows if porta.4 needs a pull-up
>resistor, because I can't use this anymore as output, it remains at 0v.

Yes, this port is open-drain, and needs a pull-up resistor.  Check out page
9 of the '84 manual.  Also, this pin has a Schmitt trigger when used as an
input; the others in port a are TTL type (no hysteresis).

-Todd



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1997\04\14@102832 by David BALDWIN

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face
Todd Peterson wrote:
{Quote hidden}

--

       Thanks a lot, I was wordering if my PIC is out.... didn't read the
specs long enough.


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