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