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