{TAIL ~ The VBUS signal} may be connected to logic to change {HEAD ~ the polarity} of the enable signal 
{ TAIL ~ The VBUS signal } may be connected to logic to change { HEAD ~ the polarity } of the enable signal
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH