>If one can erase the code protect, than it stands to reason chip recalls >with 100% code protect are futile. And best to just use flash for flash and >only try and use code protection to dissuade the ambivalent. The determined >thief, it appears, can aways expose the die and get at your code by erasing >the bits. Is this a real possibility? Check out this web site. http://www.cl.cam.ac.uk/~mgk25/tamper.html -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.