> >An OTP (One Time Programmable) device is the UV-erasable die in >a less expensive, non-windowed package. It's ready to program. >Since there's no way to erase it (*), it can be programmed once. > While that statement is for the most part true, it is actually possible to re-program OTP parts to a limited extent. Since you can overwrite ones with zeroes, you can change any instruction into a NOP and change any ADDLW 0xFF into any other instruction that you want. This technique certainly isn't for the faint-hearted but it can be done. :=) Regards, Bob -- 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