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1.4 ELECTRICAL CIRCUIT BLOCK DIAGRAM OF CM112 MODEL
1, 2, 3
VH (+24V)
4, 5, 6
G N D
8
TM
7
V D D (+ 5V )
12
STB4
11
STB3
10
STB2
9
STB1
14
LATCH
15
DATA IN
13
CLO CK
15 PIN
Pin assignments
N . o
N . o
N . o
N . o
N
. o
1 1 1 1 1
2 2 2 2 2
3 3 3 3 3
4 4 4 4 4
5 5 5 5 5
6 6 6 6 6
7 7 7 7 7
8 8 8 8 8
9 9 9 9 9
10
10
1
10
10
0
1
11
11
11
11
1
12
12
1
12
12
2
1
13
13
13
13
3
14
1
14
14
14
4
15
15
15
15
1
5
CMxxx
832
641
T H E R M ISTO R
Ω
30K
B :395 0
S
S
S
S
g i
g i
g i
g i
n
n
n
n
l a
l a
l a
l a
S
g i
n
l a
V
H
V
H
V
H
G
N
D
G
N
D
G
N
D
V
D
D
T
M
S
T
B
1
S
T
B
2
S
T
B
3
S
T
B
4
C
L
O
C
K
L
A
T
C
H
D
A
T
A
N I
1. CONNECTIONS
640
385
384
LATC H R EG IS TE R
832 B IT S H IFT R E G ISTE R
F
F
F
F
u
u
u
u
n
n
n
n
t c
t c
t c
t c
o i
o i
o i
o i
n
n
n
n
F
u
n
t c
o i
n
H
E
A
D
P
O
W
E
R
S
U
P
P
L
Y
H
E
A
D
P
O
W
E
R
S
U
P
P
L
Y
H
E
A
D
P
O
W
E
R
S
U
P
P
L
Y
G
R
O
U
N
D
G
R
O
U
N
D
G
R
O
U
N
D
L
O
G
C I
P
O
W
E
R
S
U
P
P
L
Y
T
H
E
R
M
S I
T
O
R
S
T
R
O
B
E
1
S
G I
N
A
L
S
T
R
O
B
E
2
S
G I
N
A
L
S
T
R
O
B
E
3
S
G I
N
A
L
S
T
R
O
B
E
4
S
G I
N
A
L
S
E
R
A I
L
C
L
O
C
K
L
A
T
C
H
D
A
T
A
N I
P
U
T
1-4
192
193
1
(Fig.1.4)
(Tab.1.4)
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