Edmund T wrote:
>
> Subject: [PIC] 16F877 works only when pulldown to ground with resistor
>
> Hi,
> Do any kind soul have any ideal why my 16F877 work only when I pulldown all un-used port to ground?
> I used a 10k resistors to do that. Both VDD & VSS are connected and Pin 1 to reset. Chip running at 4Mhz.
>
> Thanks!
>
> Regards,
>
> Tee
>
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If those unused port pins are set as inputs, then it may upset the
device. Change them to outputs and see what happens.

--
Best regards

Tony

mICro's
http://www.picnpoke.com
mailto:sales@picnpoke.com

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