AVR-Chat

Yeah, I made that mistake too.  Its easy enough to do - the obvious 
connection is for d0-3.  that's why it pays to reread the data sheets 
when it doesn't work.  its a quirky beast but when you can drive an 
lcd display with only 6 pins, its worth the hassle.  

--- In AVR-Chat@yahoogroups.com, John Johnson <johnatl@m...> wrote:
> Okay, I finally got all the egg off my face, and thought I would 
post 
> the solution in case anyone else searches the archives.
> My 4 data lines were connected to DB0-DB3, instead of DB4-DB7. 
After 
> correcting that and working on some timing challenges, it's working 
> great. Thanks for all  the replies!
> 
> Thanks for the ref. to your lib too, I'll check it out.
> 
> Regards,
>    JJ
> 
> On Friday, May 7, 2004, at 11:46 AM, bzijlstra@h... wrote:
> 
> > Have done it, a PCF8574(A) and a LCD in 4-bit mode. For AVR and 
8051.
> > Timing is very important. Check my homepage.
> >
> > Bye
> > Ben Zijlstra
> > http://members.home.nl/bzijlstra
> >
> >
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