Scott,
As the author of the firmware, I can assure you the best use of that
old K1 code is to flatten its pins and put it in a scrapbook, or maybe
turn it into a mobile, along with other electronic thingamabobs. (Along
this same line, PCBs make nice jewelry.)
Seriously, as Don mentioned, the older PICs with a "C" in the middle
have UV-erasable EPROM code store, but no UV window, so they can't be
erased. Newer models with an "F" in the middle have FLASH code store
and can be electrically erased. We're gradually phasing out the "C"
parts.
There's only one interesting thing you could do with the old code:
connect the MCU to a K1 LCD and a couple of switches, and turn it into
a 3-digit frequency counter. See K1 front panel schematic. The rest is
left to the reader as an exercise :)
73,
Wayne
N6KR
---
http://www.elecraft.com
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