By just changing bit TRISB,3

When TRISB,3 is 1 the output will be tristate (and can be read as an input
if you want to).

When TRISB,0 is 0 the output will be set to whatever is in the PORTB output
register.

Bob Ammerman
RAm Systems


----- Original Message -----
From: "Micro Eng" <micro_eng@HOTMAIL.COM>
To: <PICLIST@MITVMA.MIT.EDU>
Sent: Tuesday, August 27, 2002 12:59 PM
Subject: [PIC]:tristating a port pin?


> well...searching around, haven't found a way to actually tristate a port
> pin?
>
> TRIS is the direction register...but how do you actually set PORTB,3 to be
> tristated, then set for an output, and back and forth.
>
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