Hi all,
I need some illumination on programming the 12C671.  I have a program
that I can burn into a 12C671/JW EPROM without any problems (using PIC
Start Plus).  Program, configuration, ID, and calibration locations all
program without a hitch; but when I put an OTP equivalent in and burn it,
an error comes up saying the calibration memory doesn't match.  OK...
I burn another OTP without programming the calibration memory and get no
error messages; the programmed OTP (by all appearances) runs properly.

I feel like I'm whistling past the graveyard by ignoring this issue.
I've RTFM but don't understand fully the implications of programming or
not programming the Calibration memory.  (I am not using any of the chip's
A/D functions.  GP0,1,2,3 pins are all set up for digital I/O:  ADCON1
at address $9F is set to $07.)  Anybody fluent with the 12C671?

TIA,
John
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John Leonard, instrument technician                        Electron Hacker
College of Science & Engineering                           Bit Banger
Saginaw Valley State University                            Bassist
University Center, MI USA  48710                           Dad
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