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C I R C U I T D E S C R I P T I O N
9. Microcomputer: pPDTS2OBCW-O4O
(X32-1090-11 : l0l1)
9 - 1 . T e r m i n a l c o n n e c t i o n d i a g r a m o
H B
. - .
' o d E s 9 c i r g i * e 9 9 a o u 3 E D 3 3 3
g b e
6 o
s s 6
z=aizz
H ? E g : E i i l " " u e v n ! : s E r r s
f , 8 e H X
z i
a =
F i g . 9 - 1
3 3 S 6 8 E S E E 3 3 3 $ 6 8 9 e 5 € 9 $ S S E 9 g S D g g g s
O F N O : P 9 : P 9 R F N & S R R R R R S E S
F
N
O
{
o
@
F
@
O
F
F
_
9-2. Explanation of terminals
T e r m i n a l N o .
Terminal name
t/o
F u n c t i o n
Pd -Pa
o
F L t u b e s e g m e n t d i s p l a y o u t p u t s .
5
S E N S E
S E N S E s i s n a l i n p u t ( f r o m C X 2 3 0 3 5 , C X 2 0 1 0 8 ) .
6
W F C K
O d a t a r e a d o u t c l o c k i n p u t ( f r o m C X 2 3 0 3 5 ) .
7
S U B O
O d a t a i n p u t ( f r o m C X 2 3 0 3 5 ) .
8
O d a r a C R C O K ( " H " ) i n p u t ( f r o m C X 2 3 0 3 5 ) .
I
R C I
R e m o t e c o n t r o l s i q n a l i n p u t .
1 0
S C O R
O d a t a s y n c s i g n a l i n p u t ( f r o m C X 2 3 0 3 5 ) .
1 1
F O K
F o c u s O K ( " H " ) i n p u t ( f r o m C X 2 O 1 0 9 )
1 a
G F S
E M F s y n c O K ( " H " ) i n p u t ( f r o m C X 2 3 0 3 5 ) .
I J
R M U T E
o
R e l a y m u t i n g O N / O F F ( ' L " l " H " l
s i g n a l o u t p u t .
1 4
E M P H
o
E m p h a s i s O N / O F F ( ' L " l " H " l
s i g n a l o u t p u t .
i 5
DI RC
o
D I R C s i g n a l o u t p u t ( t o C X 2 0 1 0 9 ) .
t b
M U T G
o
M U T G s i q n a l o u t p u t f o r m u t i n s O N / O F F ( ' H " / " L " | ( t o C X 2 3 0 3 5 ) .
'1
8
S L T S W
S t a r t l i m i t S W s i g n a l i n p u t ( S W O N :
" L " ) .
1 9
O P N S W
T r a y o p e n S W s i g n a l i n p u t ( S W O N :
" L " )
20
C L S S W
T r a y c l o s e S W s i g n a l i n p u t ( S W O N :
" L " )
1 1 - a A
K i - K 4
M a i n u n i t k e y i n p u t s .
2 5
DATA
o
C o n t r o l d a t a s i g n a l o u t p u t ( t o C X 2 3 0 3 5 , C X 2 0 1 0 8 ) .
zo
X L T
o
C o n t r o l d a t a I a t c h s i q n a l o u t p u t ( t o C X 2 3 0 3 5 , C X 2 0 1 0 8 ) .
27
C L K
o
C o n t r o l d a t a c l o c k s i g n a l o u t p u t ( t o C X 2 3 0 3 5 , C X 2 0 1 0 8 ) .
28
L D C
o
L a s e r O N / O F F ( ' H " / " L " 1 s i s n a l o u t p u t .
X R T S
o
C o n t r o l r e s e t s i g n a l o u t p u t ( t o C X 2 3 0 3 5 , C X 2 0 1 0 8 ) .
30
X 1
C l o c k o s c i l l a t i o n X ' t a l c o n n e c t i o n t e r . m i n a l s
( O s c i l l a t i o n f r e q u e n c y = 4 . 1 9 4 M H z ) .
J I
x2
o
32
Vss
G N D .
35
O P N M
o
T r a y o p e n / c l o s e s i g n a l o u t p u t . N o r m a l l y O P N M :
" L "
a n d C L S M :
" L " .
F o r o p e n i n g , O P N M :
" H "
a n d C L S M :
" L " . F o r
c l o s i n g , O P N M :
" L "
a n d C L S M :
" H " .
36
C L S M
o
38
I N V
o
l n v e r t O N / O F F ( ' H " / " L " \ s i g n a l o u t p u t .
J Y
R E S E T
R e s e t s i g n a l i n p u t .
40-51
G 1 - G ' 1 2
o
F L t u b e d i g i t d i s p l a y o u t p u t .
A A
P I
o
F L t u b e s e g m e n t d i s p l a y o u t p u t .
55
PK
o
56
V L O A D
G N D .
57
V P R E
G N D .
5B
Pj
o
F L t u b e s e g m e n t d i s p l a y o u t p u t .
59
P i
o
60
K O
o
K e y s e n s e o u t p u t s i g n a l .
61 -63
P q - P e
o
F L t u b e s e g m e n - t d i s p l a y o u t p u t
64
V D D
+ 5 V .
Table 9-1
20
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