If you want to use the LCD for display only with no feed back
an option which most of don't use anyway.
You can tie pin5 R/W low so saving a pin on the pic chip

Regards Art

----- Original Message -----
From: H.P. de Vries <H.P.d.Vries@STUD.TUE.NL>
To: <PICLIST@MITVMA.MIT.EDU>
Sent: Sunday, July 09, 2000 3:40 PM
Subject: [EE]: LCD-question


> Hi all,
>
> I've got (another) LCD-question. I can't clearly make this out from
reading
> the datasheet.
>
> I've got an LCD (cm1624) which uses the KS0066U LCD-controller. My
question
> now is, when the read/write enable line is LOW (inactive) , are D0-D7
> (datalines) then always inputs (kinda tri-state), or are the outputs when
> via R/W the read-operation is selected?
>
> Hans
>
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