O, I misunderstood. I thought you were saying that OTPs HAD to be hardcoded by Microchip, and that self programming wasnt an option. On Wed, 17 Feb 1999, Mr and Mrs James Paul wrote: > What do you mean what gives. What you say is true. I didn't > say anything contrary to that, did I? If I did, I didn't mean > to. > > >On Wed, 17 Feb 1999, Mr and Mrs James Paul wrote: > > > >> OTP parts are really EPROM devices without a window to erase > >> them. ROM parts are actually Masked ROM parts. You have to > >> send your code to Microchip, and they hard code it into the > >> part. The result of this is that the parts are much cheaper > >> than using OTP parts, if you have enough volume to justify the > >> initial setup costs. Hope this helps. > >> > > > >What? > >I thought that you could program OTPs yourself, but you just couldnt erase > > >it once you did. What gives? > > > >----------------------------------------------------------------------- > > The Pinto Page: www.eng.usf.edu/~shidel > > Join the Ford Turbo Mailing List! > > http://www.FindMail.com/list/turbo/ > >Scott > >-71 Pinto, stock 2.3 turbo, 13.67@98, radials > > 8.1@85 1/8th mile on slicks > >-85 Merkur 13.764@98 on radials&3300lbs! Under $300 in mods! > >------------------------------------------------------------------------ > > > ----------------------------------------------------------------------- The Pinto Page: www.eng.usf.edu/~shidel Join the Ford Turbo Mailing List! http://www.FindMail.com/list/turbo/ Scott -71 Pinto, stock 2.3 turbo, 13.67@98, radials 8.1@85 1/8th mile on slicks -85 Merkur 13.764@98 on radials&3300lbs! Under $300 in mods! ------------------------------------------------------------------------