Prasad, Satyaprakash wrote: > Hi All, > > What is difference between the LP, XT, and HS oscillator modes? What *exactly* is it in the data sheet that is unclear ? I think all data sheets quite clearly describes this. > Can anyone please explain me the "EXTRC External > Resistor/Capacitor with CLKOUT" oscillator mode? The same... And what PIC are you using ? Note that the actual osc features are different between PICs. > What will happen if an external RC clock of higher prescribed > frequency is used? What are you trying to do ? How much higher ? With what R and C values ? Where did you find a "RC clock prescribed frequency" ? > Will the software completely halt or unexpected > behavior could be expected? When ? Jan-Erik. -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads