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Bus Controller (BC)
8-4
Fig. 8-4-1 Block Diagram for the Bus Controller
BC address bus
BC data bus
I/O address bus
I/O data bus
BC internal data bus
BC bus interface signals
I/O bus interface signals
MEMCTRn
DRAMCTR
REFCNT
External interface signals
EX bus (external bus)
23 to 0
15 to 0
data
input
aligner
data
output
aligner
address
controller
address
data
BC controller
Buffer
Store
BC bus
I/F
I/O bus
I/F
EX bus
I/F