Jon M (Mike) Jones wrote:

> Since I don't have a programmer that reads the ID codes, I wrote
> a short routine to read them. The results were;
>
> 0x3FFFFE: 0x25 (DEVID1)
> 0x3FFFFF: 0x04 (DEVID2)
>
> The first (0x25) I interpret to read as: 18F452 Rev. 5 but what does DEVID2
> indicate? The data sheet only says (that I could find) that it identifies the
> part number in DEVID1.

Device ID is a 16 bit field: DevID2/DevID1 of which the low oder 5 bits
are the revision code (for the 18Fxx2/xx8 family). Have a look at
DS39576A page 22.

Regards, Rob

--
Rob Hamerling, Vianen, NL phone +31-347-322822
homepage: http://www.robh.nl/

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