In {HEAD ~ response} to writing to {TAIL ~ the control register}, a clock signal on a clock input line to the dedicated diagnostic data port is coupled to the second wire, and is used to serially shift the stored information from the serially connected memory to the data wire 
to writing to
In { HEAD ~ response } to writing to { TAIL ~ the control register } , a clock signal on a clock input line to the dedicated diagnostic data port is coupled to the second wire , and is used to serially shift the stored information from the serially connected memory to the data wire
OTH HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH