Bus masters 14 and 16 may be implemented as any of a variety of differing types of functional devices, such as a central processing unit , a direct memory access controller, any type of processor or {HEAD ~ any other device} that functions as {TAIL ~ a bus master} 
functions as
Bus masters 14 and 16 may be implemented as any of a variety of differing types of functional devices , such as a central processing unit , a direct memory access controller , any type of processor or { HEAD ~ any other device } that functions as { TAIL ~ a bus master }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL