In another embodiment, serially connected signals can be controlled based on a chip SPID , and whether the signal is an upstream or a downstream {TAIL ~ type} of {HEAD ~ signal} 
In another embodiment , serially connected signals can be controlled based on a chip SPID , and whether the signal is an upstream or a downstream { TAIL ~ type } of { HEAD ~ signal }
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 TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD