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