86
Figure 5-8. CAN Transceiver and Isolation Circuits
+5_CAN
1
U6
HCPL-O601
VCC
GND
8
5
C67
0.01uf
R191
680
7
+3.3v
2
R193
270
CAN_TX
3
4
+5_CAN
470
6
RXD
4
TXD
U18
PCA82C251
CANL
CANH
6
CAN-
7
CAN+
C10
0.01uf
GND_CAN
3
V+
8
2
GND_CAN
GND
RS
1
GND_CAN
C9
0.01uf
1
VCC
GND
8
5
C12
0.01uf
R190
680
7
+5v(F)
2
R189
CAN_RX
3
4
6
U19
HCPL-0601
C68
0.01uf
GND_CAN
