The level detector compares a first reference voltage with a supply voltage provided to the system, and provides output of a first reset signal indicating that the controller is in an abnormal state in dependence upon {HEAD ~ the comparison} between {TAIL ~ the first reference voltage} and the supply voltage 
between
The level detector compares a first reference voltage with a supply voltage provided to the system , and provides output of a first reset signal indicating that the controller is in an abnormal state in dependence upon { HEAD ~ the comparison } between { TAIL ~ the first reference voltage } and the supply voltage
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH