Van: Gabriel Caffese <gabrielsdi@INAME.COM>
Aan: PICLIST@MITVMA.MIT.EDU
Onderwerp: Two pins joined: One input, other output
Datum: maandag 17 mei 1999 17:45

> Hi all!

Hello Gabriel,

>    I have a question for all of you:

>   I have to connect one 16F84 to a line of an external circuit, wich is
waiting for
> receiving 255 bits from the 16F84. When this is done, the external
circuit will reply
> to the 16F84 with information, and then begins the loop begins again and
again.

>    May I connect two lines of the 16F84 (eg.: RB0 as int, and RA0) one
being
> configured as otuput and the other as input ?

Yes.  No problem. Oki-Dokie.

>    Would the Pic get burned ?

No. Nope. No way.

One thing though ... I suspect that that line RB0-RA0 will be the line that
goes to the other device ?  It's, I hope, not used as a bi-directional line
?  Otherwise you will have the output of the other device linked to the
output of you PIC, and that's not allowed ...

By the way:  Why would you want to generate a interrupt from a signal you
are creating yourself (RA0 -> RB0) ?

Greetz,
  Rudy Wieser