I recently switched a design from the F872 to F913, both in SSOP form.  Main
reasons were lower cost and internal oscillator (which leads to lower cost). 
And the extra code-space helps.  Yes, the LCD stuff can be completely
disabled.

One negative thing I've noticed is that some EEPROM values don't seem to be
getting programmed correctly all the time (I'm using an ICD2 clone).  I've
had about 11 such failures from the first few hundred units, and never seen
any of these failures on the F872.  Thankfully, on this app, the EEPROM
value is user-resettable, so I did not have to re-program, and all worked
well after that.

Other than that, all else seems to work well, but I can't say anything about
long-term reliability yet.

Migrating my apps require some other changes, such as config settings,
disabling comparators, and some changes to the EEPROM read/write routines --
I have a small notes file that lists the requried migration changes for my
apps, but most of it should apply to you as well.  Email me offlist at neil
[at] [the domain above] if you want it.

Cheers,
-Neil.


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