> Hello people > > Can somebody please explain what is the watch dog timer and its uses... > thanks. > regards > Another use is to waken the the PIC from SLEEP periodicaly(i.e. wake up take a measurment,go back to sleep every 2S or so). Another is to break out of loops to refresh a device. I used this to keep a digital camera from going into sleep mode while waiting for and input to trigger it.