> >; >>>> NOTE - comment out for OTP <<<< > org 07FFh > retlw 347Ch ; OSCCAL value for 12C672 UV-chip #1. >; > Ooops, I think that line is supposed to say: ; >>>> NOTE - comment out for OTP <<<< org 07FFh retlw 7Ch ; OSCCAL value for 12C672 UV-chip #1. ; I checked a chip on my programmer. Looks like the 34 part is the "retlw" opcode, when you read the chip - [hmmm, probably never did oscillate at the correct freq - "bad dog"]. Sorry I don't remember this precisely - but maybe you can hash it out now. -- http://www.piclist.com hint: The list server can filter out subtopics (like ads or off topics) for you. See http://www.piclist.com/#topics