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ARMIC30 schematic diagrams
UM0193
Figure 25.
RS-232, RS-485 and CAN connector schematics
CAN
5V
5V
5V
TxD CAN
RxD CAN
ASC CAN
C28
4n7/500V
C28
4n7/500V
TX0
1
GND
2
VS
3
RX0
4
RX1_Ref
5
CAN_L
6
CAN_H
7
ASC
8
U5
L9616
U5
L9616
R36 M1
R36 M1
R35 0R
R35 0R
1
2
3
4
5
6
7
8
9
M1
M2
J15
DSUB9-PLUG
J15
DSUB9-PLUG
C27
100n
C27
100n
R34
0R
NA
R34
0R
NA
1
2
J14
J14
R33 120R
R33 120R
R32
0R
NA
R32
0R
NA
5V
5V
5V
5V
TxD 485
RxD 485
nDE 485
R26 220R
NA
R26 220R
NA
R30 0R
R30 0R
1
2
J10
J10
R28
390R
NA
R28
390R
NA
1
2
J13
J13
R29 0R
R29 0R
1
J11
J11
R27
390R
R27
390R
1
2
3
4
5
6
7
8
9
M1
M2
J12
DSUB9-SOCKET
J12
DSUB9-SOCKET
RO
1
DI
4
GND
5
VCC
8
RE
2
DE
3
A
6
B
7
U4
ST485A
U4
ST485A
R31 M1
R31 M1
C25
100n
C25
100n
R25
390R
NA
R25
390R
NA
C26
4n7/500V
C26
4n7/500V
RS-485
RS-232
ETXD0
ERXD0
5V
5V
5V
TxD 232
RxD 232
1
2
J35
J35
R22
10k
R22
10k
1
2
3
4
5
6
7
8
9
M1
M2
J8
DSUB9-PLUG
J8
DSUB9-PLUG
R24 M1
R24 M1
C21
100n
C21
100n
R23 0R
R23 0R
C24
100n
C24
100n
C20
100n
C20
100n
C1+
1
C1-
3
C2+
4
C2-
5
V+
2
V-
6
R1OUT
12
R2OUT
9
T1IN
11
T2IN
10
R1IN
13
R2IN
8
T1OUT
14
T2OUT
7
U3
ST202E
U3
ST202E
C23
4n7/500V
C23
4n7/500V
C22
100n
C22
100n
C19
100n
C19
100n