Sharp MZ-3500 Service Manual page 37

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I
Priority
pmN~
~--
~N'"u'l
Function
c-----
~gnal Nam~~
36
M32
IN
Clock mpuI 32MHz, 200 raster
- - -
- -- -
37
FS
OUT
I
GraphIc DRAM address multiplexer SIgnal (H,gh order 8 bItS (AD8 AD15J flow :t'der 3 h "
(ADO AD7] select sIgnal)
- -
-~
- -
~
-
38
DSP2
OUT
DIsplay tIming sIgnal (In the CSP 2, the signal BLINK from GDC2.s delayed by 2 collor Intervals to
I--- - -
I---~~
-
-
--
39
CAS:!
OUT
- - - ----
40
Vcc
IN
CSP 2 Block Diagram
I<A~I
1)1'11
M3~
\140
1<,\40
Vlll2
H'-.'
?
RI "2
\I I J
\liJ
creale th.s sIgnal)
GraphIc D RAM CAS (COLUMN ADDRESS SELECT) s.gnal
(Line address seleclton)
--
+5V supply
S-RAM'" CG
control 51gnal
generator
Cl
L
- -
III
-
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ill
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V
r---
PR
t--~
f---t
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display clock
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generator
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V
32Mllz
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!?OO
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Lt
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Clock select
L....t
5
f-t
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3032 \1llz
Cif CUlt
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~
graphic dlsplav
400 Rester
200/400
ii~
clock
rasters
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generator
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er.
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II
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-
DRAM
control signal
generator
GDC2
IJ
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0 -
Read
s 9nal
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2 -
3
generator
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-
DECODER
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