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Sharp PC-1500 - Page 95

Sharp PC-1500
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90
All and more about Sharp PC
-1
500 at http:
/l
www.PC-1500.info
® U
se
r RAM
It
is the user
RA
M fo r which 8-bit X 2K B H
M6
1 I 6 is used. Address selected by
SO
is
wi
thin 4000H to
47FFH
.
® 40-pin connector
It is the connect
or
used for the
connec
ti
on
of
one
of
op
ti
onal memory modules
and
progr
am
modu
le,
on
which provid
ed
signal terminals for address
bu
s.
data
bu~.
and
chip select.
@ 60-pin connector
It
is
the
connector
used for
the
connec
ti
on
of
op
tional
pr
inter and interface. on which
provided signal
ter
rn
in
ab
of
add
ress bus
and
data
bus for the
co
ntrol
of
peripheral
s.
@ LCD
The 7 X 156 d
ot
LF8082G E rnul
ti-<l
is play
is
used.
4-2-
2.
Block diagram
~
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I
8
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~W
O
~
~8~
1
I
<<<
.!>
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u
:<
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<m
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u
r
2~E
li:
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~
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r3~
l
<<
0
:8
w
"
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0
11
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...
5:~~
14-1
::i
0:
:,:
%
~
I
8
<
"
~
>:!
:!?
li
I
I
8
"
<
I
<.>
~
"'
mmmm
µm
TrT
1-----'
:;
w
'T
? a
L-
--f-
_..
--4-fl+:o
"'
L---+---+----++t--
~
j.I
~
x
Do
not sell this PDF !! !