> Adding the caps on the programmer end does not fix it.
> (snip)

My Wisp628 has always had series resistors in all lines from the
programmer to the target (except power and ground). Once I used 470
ohms, nowaydays 47 ohms. The resistors are in the programmer. I recall
Vasile Surducan once reporting problems that were cured by putting 22pF
or something like that on clock and/or data pins near the target, but
otherwise I have yet to hear of any crostalk-like problems. I have used
both standard ribbon cable and standard DB15 extension cable up to a few
meters between the programmer and the target, without problems. So you
might try to use series resistors. But note that this might affect the
data and clock timing.

Wouter van Ooijen

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Van Ooijen Technische Informatica: www.voti.nl
consultancy, development, PICmicro products
docent Hogeschool van Utrecht: www.voti.nl/hvu
 


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