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