gnupic: Thread: Re:A few strange values in the help table for 18f2550

Hopefully someone will be able to give a more authoritative answer.
In the mean time:

That doesn't appear to be the meaning of the mask bits -- look at
CONFIG1L, for instance, where the mask is given as 0x00.

Comparing with the data sheet for the processor (p. 294), those
"masks" (it isn't clear why the help page is even calling them that)
appear to be the default/unset values in those configuration words.

John Coppens writes:
>Hi all.
>
>Not sure if I'm interpreting this correctly, but I suspect so.
>
>In http://gputils.sourceforge.net/html-help/PIC18F2550-conf.html,
>
>I'm deducing that the 'mask' value is marking the bits that can
>possibly be set to 0 by setting the CONFIGxx values. Eg, CONFIG2L
>mas a mask of 0x1f, which I suspect means that only bits 0-4 are
>significant.
>
>But this doesn't hold for some other values, like CONFIG1H, where
>the mask is 0x05, but looks like it should be 0xCF... Or am I
>mis-interpreting this?
>
>John
>
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