Searching \ for 'Tristate a port' in subject line. ()
Make payments with PayPal - it's fast, free and secure! Help us get a faster server
FAQ page: www.piclist.com/techref/ios.htm?key=port
Search entire site for: 'Tristate a port'.

Truncated match.
PICList Thread
'Tristate a port'
1997\04\22@044309 by Clewer,Brian

flavicon
face
Ken Dougal wrote:

>The EASY PIC'N book says that the TRIS instruction "transfers the
>contents
>of the W register into the TRIS register which selects port data
>direction.

Yep, true.

>Can the TRIS instruction actually tristate the port?  I mean can it make
>the port have theoretically infinite resistance to whatever it may be
>connected to?

Yes.  If you make the port pin an input, it will go high impedance.

1997\04\22@121543 by slm5g

flavicon
face
Thanks, I appreciate it.

Ken


Clewer,Brian wrote:
>
> Yes.  If you make the port pin an input, it will go high impedance.

More... (looser matching)
- Last day of these posts
- In 1997 , 1998 only
- Today
- New search...