An address sequencer provides a sequence of {HEAD ~ addresses} to the image buffer and to {TAIL ~ a response memory} 
An address sequencer provides a sequence of { HEAD ~ addresses } to the image buffer and to { TAIL ~ a response memory }
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL