source= http://www.piclist.com/piclist/2003/12/05/131208a.txt?

Jan-Erik Soderholm XA (TN/PAC)               says:
> >  The values displayed are only visible when MCLR is brought >>   High
again.  The display is blank when MCLR is low.

> If I power down the test board, it will power up with
> the usual erratic values, although EEprom holds the correct
> values.
>
> Do you have any code to init the display at power-up or
> reset ?

> > All I do is to clear PortB after register setup ie: trisa,
> >  trisb, etc.  The eeprom is then read and displayed via portb

>  I have been checking, but haven't found what I might do
> to ensure that PORTB is "clean" to accept the EEprom values
> at restart time.
>
> I'm not sure what "clean" means here. You mean "set up"
> correctly ?
> > Yes correctly.  Should I do any preconditioning, anything  >> special
that should occur after MCLR is used
>
> When does it run correctly ? Or doesn't it run correctly
> at all ?

> > It runs correctly after I use my reset, pin on porta, to
> > clear eeprom and count registers.  Counts up and down fine
> > and keeps up with the values in eeprom.

>
> Jan-Erik.
>
> PS. Get yourself a couple of modern PICs and you'll
> probably save yourself some troubles....
> >  What chip might you recommend?  I am open to suggestions.

>>>Thanks again for your time,  Mark Cherry
>
>

---
Mark A Cherry
http://www.piclist.com/member/MAC-CCC-Z75
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