TQMa64xxL - YOCTO Linux BSP documentation


CAN

The MBaX4XxL provides the CAN interfaces CAN0 and CAN1.

CAN Configuration

DIP switch S1 is used to configure the CAN0 interface (X7).

Funktion S1-1 S1-2
CAN-Bus not terminated OFF OFF
not defined (illegal state) OFF ON
not defined (illegal state) ON OFF
CAN-Bus terminated with 120 Ohm ON ON

DIP switch S2 is used to configure the CAN1 interface (X8).

Funktion S2-1 S2-2
CAN-Bus not terminated OFF OFF
not defined (illegal state) OFF ON
not defined (illegal state) ON OFF
CAN-Bus terminated with 120 Ohm ON ON

CAN Loopback

CAN0 -> CAN1

candump can0&
cansend can1 5A1#1122334455667788

CAN1 -> CAN0

candump can1&
cansend can0 5A1#1122334455667788