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MZ3500
3-4. Memory mapper
(MMR)
SP6102R-001
1)
Block
diagram
ADDRESS
BUS
AO
. i. is.
COAB
CONTROL
BUS
MERQ
RFSH
RD
"WR
DATA
BUS
I
— \
DO-D7
INTB
WAITB
SYSR
A15
A14
AI3
A]
AO
COAB
MKEQB
RFSH
V
Memory
mapping
logic
A 15
AU
RB
OAB
I/O
PORT
LOGIC
~L
—
L
n
-
WAIT
TIMING
GENERATOR
CLK
->TO
RESET
INTERRUPT
PRIORITY
ENCORDER
1NTFI)
-
19
-