PC-UM10M
XE-A402 CIRCUIT DIAGRAM AND PWB LAYOUT
– 18 –
A
B
C
D
8
765
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
/7
DB[0..7]
D[0..7]
D7
DB3
D2
DB7
DB2
D1
DB1
D5
D3
D6
D0
DB5
DB6
D4
DB0
DB4
P94
D[0..7]
VCC
VCC
C90
100pF
QE
1
Q0
2
D0
3
D1
4
Q1
5
Q2
6
D2
7
Q3
9
GND
10
D3
8
VCC
20
Q7
19
D7
18
D6
17
Q5
15
Q6
16
D5
14
D4
13
Q4
12
LE
11
IC25
74HC374
R101
10K
C88
0.1uF
C83
10uF/50V
A0
A1
A0
A1
VCC
VCC
/WR
VCC
A
1
B
2
C
3
G2A
4
G2B
5
G1
6
Y7
7
GND
8
VCC
16
Y6
9
Y5
10
Y4
11
Y3
12
Y2
13
Y1
14
Y0
15
IC24
74HC138
/LE0W
/LE1W
/LE3W
/LE0W
C86
10uF/50V
R99
10K
C93
0.1uF
/LE2
/CS3
/CS3
C91
100pF
/LE1
DB7
D2
D7
DB1
D5
DB2
D6
D1
DB5
D3
D4
DB4
DB0
DB3
D0
DB6
VCC
DIR
1
A1
2
A2
3
A3
4
A4
5
A5
6
A6
7
A8
9
GND
10
A7
8
VCC
20
1G
19
B1
18
B2
17
B4
15
B3
16
B5
14
B6
13
B7
12
B8
11
IC26
74HC245
/LE2W
C85
0.1uF
C82
10uF/50V
P95
VCC
VLED
P95
R100
5.6K
C89
22uF/16V
R102
2.4KF
R145
10K
2
1
4
5
3
IC23
BA00ASFP
C87
22uF/10V
,FX
RS
R/W
E
P96
P96
/S6
/S6
P91
P91
R105
22K
R103
12K
K
GND
VCC
RS
R/W
E
DB0
DB1
DB2
DB3
DB4
DB5
DB6
DB7
V0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
CN1
LCD CN(16Pin)5483-16X
Q11
KRC111S
R106
(4.7K)
D6
1SS355
D5
D1
E
RS
D7
D4
D2
D0
D3
R/W
D6
R/W
VCC
E
RS
VCC
QE
1
Q0
2
D0
3
D1
4
Q1
5
Q2
6
D2
7
Q3
9
GND
10
D3
8
VCC
20
Q7
19
D7
18
D6
17
Q5
15
Q6
16
D5
14
D4
13
Q4
12
LE
11
IC27
74HC374
C84
0.1uF
C81
10uF/50V
C92
100pF
R98
10K
KS0
KS1
KS2
KS3
KS0
KS1
KS2
KS3
KR7
D2
D7
KR1
D5
KR2
D6
D1
KR5
D3
D4
KR4
KR0
KR3
D0
KR6
VCC
DIR
1
A1
2
A2
3
A3
4
A4
5
A5
6
A6
7
A8
9
GND
10
A7
8
VCC
20
1G
19
B1
18
B2
17
B4
15
B3
16
B5
14
B6
13
B7
12
B8
11
IC28
74HC245
/LE3R
VCC
KR0
KR1
KR2
KR3
KR4
KR5
KR6
KR7
C94
0.1uF
C95
100pF
R104
10K