piclist 2003\02\22\075405a >
Thread: Pin won't turn off properly
www.piclist.com/techref/ubicom/devices.htm?key=sx
face picon face BY : Wouter van Ooijen email (remove spam text)



> I think it's fair to say that adding NOPs is "a" solution.

There are two problems:
1 pipelining
2 physical pin level

Adding nops solves 1 and might solve 2, depending on the external load
and the number of nops. Or put it in a more harsh way: assing nops is
*not* a solution. Just use a shadow register, that solves both problems.
BTW the Jal IO routines use a shadow register, invisible to the casual
user. One more argument for using a HLL...

Wouter van Ooijen

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Van Ooijen Technische Informatica: http://www.voti.nl
consultancy, development, PICmicro products

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<000001c2da71$3dc4c320$0b00a8c0@PAARD> 7bit

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Subject (change) Pin won't turn off properly

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