wouter van ooijen & floortje hanneman wrote: > > > I would like to know what others have to say on the subject. > > Not from first hand, but I have often heard of problems with the internal > eeprom (on 16x84's) when no brown-out protection was used. The newer flash > pics have build-in brown-out detection, but I don't know whether this > provides adequate protection against random overwrites. One solution is to use multiple eeprom bytes for each byte stored, and at each power up check if any data has been corrupted. In many apps there is enough inbuilt eeprom to hold 4x or 8x of each byte. -Roman -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads