> > I was under the impression that the low and high range of 
> Microchip's
> > (regular) PICmicro line were in fact similar enough to 
> start with any
> > (regular) pic and migrate to another without too many problems other
> > than peripheral addressing etc changing.
> 
> Pretty much for the 12 bit, 14 bit, and 16 bit cores.  The 24 
> bit dsPIC
> (30F) core has a significantly different architecture, 
> although some things will look familiar.

For a newbie I would limit this to the 12/14 bit cores, with some
warnings for the 12-bit pitfalls (return == retlw 0, call limitations,
etc) and warnings for the code paging on the larger chips (on a 12-bit
1k is large) and of course banking (but that is unavoidable on nearly
all chips).

Wouter van Ooijen

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

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