PiXtend V2 -L- Hardware Manual
Connection notes
In the CAN bus, a terminating resistor of 120 Ω must be connected to the ends of the line
structure (first and last bus node). If PiXtend is one of these bus ends, the jumper must be
set to "ON".
The CAN controller is connected to the Raspberry Pi via SPI. Since the analog outputs
(AO) and the CAN controller share a SPI chip select (CS1), you must first switch to the
CAN controller. To do this, the jumper (Fig. 86) is set to the "CAN" position.
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Figure 85: Principle circuit diagram: Connection of the CAN interface
