After a relatively short time interval , the host controller deasserts {HEAD ~ its GG reset output}, which starts {TAIL ~ the time interval} described as “GG is powered on and is resetting” 
starts
After a relatively short time interval , the host controller deasserts { HEAD ~ its GG reset output } , which starts { TAIL ~ the time interval } described as “ GG is powered on and is resetting ”
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH