Phil wrote...

>Does anyone know if there's a
>quick tutorial that explains what has changed and how to change 16F code to
>work on an 18F?

Try Microchips's application note AN716, "Migrating Designs from
PIC16C74A/74B to PIC18C442".  While it doesn't cover the 18F
parts, most of the issues (such as there are) are the same as for
the 18C.  I found there really isn't that much to it, and the 18F
parts are an absolute joy to use.  I no longer use the PIC16
series at all anymore.

>  Now to the question that's probably going to get me severely flamed: Can
>anyone suggest a PIC18F series chip to start with? Should I jump in at the
>deep end (so to speak) and buy one of the 40-pin PIC18Fs, or should I get one
>of the 18- or 28-pin PIC18F chips instead?

I've been using the PIC18F452 (40 pin) and PIC18F252 (28 pin) a
lot, and have started dabbling with the PIC18F1320 (18 pin).  All
are good.  With the 18F1320, watch the errata sheet; there are
some gotchas.

HTH...

Dave D.

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