TQMa62xx - YOCTO Linux BSP documentation
CAN
The MBa62xx provides the CAN interfaces CAN0 and CAN1.
CAN configuration
DIP switch S9 is used to configure the CAN interfaces CAN0.
| Funktion | S9-1 | S9-2 |
|---|---|---|
| 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 S10 is used to configure the CAN interfaces CAN1.
| Funktion | S10-1 | S10-2 |
|---|---|---|
| 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
Loopback Test CAN Interface
CAN0 -> CAN1
candump can0& cansend can1 5A1#11.2233.44556677.88
CAN1 -> CAN0
candump can1& cansend can0 5A1#11.2233.44556677.88