{HEAD ~ The AMBA AHB} allows {TAIL ~ the DSP} to control the PLC operations without interference with high speed data transfers 
allows
{ HEAD ~ The AMBA AHB } allows { TAIL ~ the DSP } to control the PLC operations without interference with high speed data transfers
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH