> > Now, see, if *I* were designing a processor, a reset (i.e. external > > or reset instruction) would clear the entire contents of memory. Luckily you don't, for this would kill some interesting applications, like the reset-pin interface (chip measures the time between reset, uses it as data input from user or maybe for bootloading or the like) and the watchdog-temperature sensor (measure watchdog timeout to determine die temperature). Wouter van Ooijen -- ------------------------------------------- Van Ooijen Technische Informatica: www.voti.nl consultancy, development, PICmicro products -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads