An AMBA AHB couples the cores and {HEAD ~ most other functional units} on {TAIL ~ the IC} 
on
An AMBA AHB couples the cores and { HEAD ~ most other functional units } on { TAIL ~ the IC }
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL