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SECTION 5
BLOCK DIAGRAM
LSM
(ABC SENSOR)
D4
IC8
ABC
AMP
SENSOR
RV1
SELECT SW
S1
IC7
RESET
RESET
S2
7
1
RESET
MR
WDI
6
WDO
8
X1
18.432MHz
3
OUT
IC2 INV
2
18
JTA-LS200
IC1
MPU
AN5
71
AN4
70
AN0
33
66
A0-3
36
25
D0-7
32
IC2 INV
5
IC3
73
AN7
15
2
47
A12
GATE
72
AN6
4
16
4
A13
48
3
17
5
A14
49
1
A15
50
RD
14
21
RES
WR
15
FTOA2
75
13
13
8
22
NMI
IRQ1
9
12
12
IC3
IC2
GATE
INV
84
EXTAL
1
XTAL
IC2 INV
6
14
LSM
LSM
IC11
2
4
IC4
SIO
10
A0-3
14
36
TXD1, RTS1, DTR1
16
LINE DRIVER
38
2
D0-7
9
39
RXD1, CTS1, DSR1
LINE RECEIVER
41
6
18
CS
24
RD
WR
20
7
34
INTR1
8
17
INTR2
23
•
TXD2, RTS2, DTR2
26
LINE DRIVER
•
27
25
•
RXD2, CTS2, DSR2
28
LINE RECEIVER
•
29
21
MR
11
XIN
5-1
5-1
CN1
S1-3
1
16
S1-2
17
3
DC1
7
F1
DC-DC
5V
5
•
15
CONVERTER
8
12V
FL1
IC5
TXD1+
EMI
2
FILTER
RTS1+
3
RXD1+
4
CTS1+
5
DSR1+
IC6
6
DTR1+
7
FL2
TXD1–
EMI
9
FILTER
RTS1–
10
RXD1–
11
CTS1–
12
DSR1–
13
DTR1–
14
CN2
FL3
IC9
TXD2+
EMI
2
RTS2+
FILTER
3
RXD2+
4
CTS2+
5
IC10
DSR2+
6
DTR2+
7
FL4
TXD2–
EMI
9
FILTER
RTS2–
10
RXD2–
11
CTS2–
12
DSR2–
13
DTR2–
14
12V
15
IN
OUT
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