Cpu And Memory - Sharp MZ-350C Service Manual

3-1. Block diagram
1) Relation between MMR (Main Memory Mapper) and
main memory.
3. CPU AND MEMORY
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P H
CLOCK ('..
—O 32 MI!
—O ISMHi
—O 4 M l l >
M A I N
CI'U
7. - 80 A
SEMI CUSTOM
LSI
MEMORY
MAPPER
-0
-o
-O 200/4«
-O./.
=
Sl
BUS
DK1VKR
= = = = =
B CPU
/-80A
A / B
U
CTRL]
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m
P^— —
l
1 ,
r-„-
r
FKER
II 1 1
T" RAM |
< 6 4 K B » 2 ) '
1 1
1 M I ' X H
MDL IPLEXER
pou OPTION
U_ m
MPXK COMMON RAM
2KB
1
! •
ROM ( BAS I C ) 1
S 2 K B 1
or «KBX4
1
L
i
V
F
=
K
7 6
=
ROM IPL 1 RAM or ROM
8KB [~~|
8KB
1 - 1
r— RECEIVER
L LL
MFD
i
-o 1 ' 1
. OPTION '
f
P
. I I
SLOT1
SI.OTZ
SLOT3
SLOT 4
n
^T 1 ON MZIUO?
y i n n i . i :
OK H n.n
V V T PRINTER l/K J
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