> Particulary refering to 18F452, the errata states that
> an table read, call, goto, return, retlw or retfie crossing
> the 0x4000 program boundary can, and I paraphrase, "Under
> certain conditions.....may yield unxpected results".

I thought these were old problems, so I just checked the Microchip web
site.  The latest errata sheet for version 5 does not mention this bug.  I
don't know what you were looking at, but I was looking at DS90150A
released January 2003.  This applies to the rev 5 parts, which have been
in production a while.  The samples I received last summer were rev 5.


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