The PLCs are also coupled to the DSP through {HEAD ~ a separate DMA sharing unit} to {TAIL ~ the DSP}, and particularly to the DSP memory 
The PLCs are also coupled to the DSP through { HEAD ~ a separate DMA sharing unit } to { TAIL ~ the DSP } , and particularly to the DSP memory
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH