As illustrated, a control signal {HEAD ~ V SYNC} first coordinates the reading out of the even field, and then coordinates the reading out of {TAIL ~ the odd field} 
As illustrated , a control signal { HEAD ~ V SYNC } first coordinates the reading out of the even field , and then coordinates the reading out of { TAIL ~ the odd field }
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL