Sharp MZ-3500 Personal Computer User Manual


 
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Priority
Signal
Name
M32
FS
DSP2
CAS
2
Vcc
IN
OUT
OUT
OUT
IN
Clock
input
32MHz,
200
raster
Graphic
DRAM
address
multiplexer
signal
(High
order
8
bits
I ADS ADI 5]
/low
3'der
S hi"
|ADO AD7] select signal
)
Display
timing
signal
(In the CSP 2, the
signal
BLINK
from
GDC2
is
delayed
by 2
collor
intervals
to
create
this signal
)
Graphic
D RAM CAS
(COLUMN
ADDRESS
SELECT)
signal
(Line
address
selection)
+
5V
supply
CSP
2
Block Diagram
VWRO
C
KAS2
C
Ubl 2
C
r*
-a.
32MHz
Jl
PR
Hexadecimal
counter
200
Raster
Clock
select
3«32MHz
^
ClfCU1
,
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n~, *
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to
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bill
0 t
T
ft.
CK
Q
I)
F
F
O
5
select
circuit
S-RAM
& CG
control
signal
generator
C
i i
i ' '
:
co
3
6
GDC1
&
character
L
display
clock
generator
GOC2&
graphic
display
clock
generator
Cfi
DBI2D
^
F
'
DRAM
control
signal
generator
K
n
Q
2
3
)ECODER
' '
'
GDC2
Read
ignal
generator
n
L}
h
\ C K
t f
^—
Bl SC,
D-
SOf
O- SHE
O—HB
1 A
-
42
-