Cartft FLEETPC-ARM-300 Series Reference Manual page 25

Schematic of CAN bus
2
I C Bus
2
The I C works as a master port by default:
on-board resistors. The slave devices have to be connected directly without additional
2
power supply on I C bus.
2
The I C interface is connected to iMX6 I
board 3xPCF8574 I/O expander.
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The master port is pulled high to +3.3V with 2
2
C channel 3 and shared the same bus with on-
Page 25
FLEETPC-ARM-300 Series