Steven Kosmerchock wrote:
>
> Friends,
> I am using a PIC12C509 to interface to an I/O Tech Digital 488

If the I/O from this device are TTL levels, Logic 1 may not be high
enough for the PIC to recognise. Try a pullup resistor.

> Engineering Student (forever it seems.......)

Be like the learning doctor. Plenty of 'patients' and you'll get there.
:-)

--
Best regards

Tony

Multimedia 16F84 Beginners PIC Tools.

http://www.picnpoke.com
Email picnpoke@cdi.com.au