{HEAD ~ A two wire dedicated diagnostic data port} in {TAIL ~ an integrated circuit} provides visibility for all internal functions of the integrated circuit 
in
{ HEAD ~ A two wire dedicated diagnostic data port } in { TAIL ~ an integrated circuit } provides visibility for all internal functions of the integrated circuit
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH