Sharp ER-A450, Service Manual, Page: 17 / 68

2) Pin configuration
Fig. 2-7
1
GND
2 GND
3 ST1
4
5 ST2
6 ST3
7 ST4
8 ST5
9 ST6
10 LATCH
11
12
13
14 SI
15 SO
16 CLOCK
17 INHDEC
18 CSEN
19 TEST2
20
21
22
23
24
TEST1
25 D0
26 D1
27 D2
28 D3
29 D4
30
31
32
33 D5
34 D6
35 D7
36 A0
37 A1
38 A2
39 NU
40
16
0
15
9
15
8
R
ES
ET
157
B
R
A
S
15
6
B
R
A
S
15
5
B
D
0
15
4
B
D
1
153
B
D
2
15
2
15
1
15
0
149
B
D
3
148
B
D
4
14
7
14
6
B
D
5
14
5
B
D
6
144
B
D
7
1
4
3
BA0
14
2
14
1
140 13
9
P
H
A
I
13
8
B
A
1
13
7
B
A
2
136
B
A
3
1
3
5
BA4
13
4
B
A
5
13
3
B
A
6
132 13
1
13
0
12
9
B
A
7
128
B
A
8
127
B
A
9
12
6
B
A
1
0
12
5
B
A
1
1
12
4
B
A
1
2
123
P
.P
12
2
12
1
41 42
BA
C
K
43
A3
44
A4
45
A5
46
A6
47
A7
48
A8
49
A9
50 51 52 53
A1
0
54
A1
1
55
A1
2
56
A1
3
57
A1
4
58
A1
5
59
A1
6
60 61 62 63
A1
7
64
A1
8
65
A1
9
66
A2
0
67
A2
1
68
A2
2
69
A2
3
70 71 72
RD
73
WR
74
AS
75
PO
F
76
IN
T
77
WO
78 79
BREQ
80
120
PTJM
119 PTRM
118 BA13
117 BA14
116 BA15
115 BRD
114 BWR
113 CGS
112
111
110
109 JAS
108 JBS
107 JCS
106 JDS
105 RAS
104 RBS
103
102
101
100
99
98
97 RCS
96 RDS
95 CTAO
94 CTBO
93 VHCOM
92 JVPON
91
90
89
88 RVPON
87
PFP
86
PCRES
85 PHUP
84 JPE
83 ROE
82 EBACK
81 EBREQ
GND
GND
GND
GND
VCC
VCC
VCC
VCC
GND
GND
GND
INTI
WI
GN
D
GN
D
GN
D
VC
C
VCC VCC
GND GN
D
IN
H
NU
GND
GND
GND
VCC
VCC
VCC
VCC
VCC
GND
GND
GND
GND
GND GND GND
GN
D
GN
D
VCC VCC VC
C
GND GN
D
GND GND NU GN
D
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