I made the mistake of not reading the last position of EPROM and writing its
value down.  The first time I erased the JW part, I also erased the oscal
value.
   Are you programming the OSCAL value with the one the chip was shipped with?
For the JW parts, this value is not erase protected.
Dave

At 12:52 AM 1/30/97 -0600, you wrote:
>step in the Calibration Constant moves the perion 4nS, so there's no way
>that can account for the deviation, even though I am moving this value into
>OSCAL correctly.