On Thu, 28 Aug 1997, Lawrence Lile wrote:

> PIC-nikkers:
>
> What happens to the OSCCAL number when you UV erase a windowed
> PIC12C508?  Is the OSCCAL even programmed into windowed parts in the
> first place?     I've noticed that piezo beepers hooked up to two
> different windowed parts usually have different tones, meaning the
> oscillators must run at different freq's.
>
>

I remember reaading something about calibration #'s being erased
when you erase UV. You're supposed to read the chip first, write
down the calib #, then when you program it re-program the # into
the correct location.

Don't quote me though, that's from memory...

-Shane.