A circuit for resetting {HEAD ~ a system controller} includes a level detector and {TAIL ~ a watch dog circuit} 
A circuit for resetting { HEAD ~ a system controller } includes a level detector and { TAIL ~ a watch dog circuit }
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL