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Contents
CAN interfaceEdit
DescriptionEdit
The CAN interface is optionally available on RIALTO SBC at the connector J66.
- J66 is a Phoenix 282837-3 3x50.8mm connector. On this connector are mapped these instances: UART3 or CAN.
CAN interface is connected to the i.MX6UL FLEXCAN controller.
SignalsEdit
The following table describes the interface signals:
| Pin# | Pin name | Pin function | Pin Notes |
|---|---|---|---|
| 1 | EXT1_P1 | RS232_RX or CAN_P | optional RS232 or CAN port |
| 2 | EXT1_P2 | RS232_TX or CAN_M | optional RS232 or CAN port |
| 3 | EXT1_GND | GND | connected to DGND directly or to PCN GND ring via RC filter |
Device mappingEdit
CAN devices are mapped to can0 device in Linux. The device mapping depends on the device tree configuration.
Device usageEdit
The peripheral can be configured using ifconfig and ip link utilities and can be tested with the can-utils utilities.