GND
+5V
+12V
+
5
V
+
1
2
V
GND
GND
+
1
2
V
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
SV1
1
2
3
4
IC1
5
6
7
8
1
2
3
4
IC2
5
6
7
8
9
10
11
12
13
14
DATA6
DATA4
DATA3
DATA2
DATA1
DATA0
BS1
XA1
BS2
XA0
RDY
WR
PAG
XTAL1/OE
XTAL1/OE
DATA5
DATA7
GND
+5V
+12V
+
5
V
+
1
2
V
GND
GND
+
1
2
V
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
SV1
1
2
3
4
IC1
5
6
7
8
1
2
3
4
IC2
5
6
7
8
9
10
11
12
13
14
DATA6
DATA4
DATA3
DATA2
DATA1
DATA0
BS1
XA1
BS2
XA0
RDY
WR
PAG
XTAL1/OE
XTAL1/OE
DATA5
DATA7