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<section begin="Body" />
==CAN interface ==
=== Description ===
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.
[[File:RIALTO-SBC-RS232-CAN-connector.png|thumb|center|500px|RS232 or CAN - J66 connector]]
CAN interface is connected to the i.MX6UL FLEXCAN controller.
===Signals ===
The following table describes the interface signals:
{| class="wikitable"
! latexfontsize="scriptsize" | Pin#
! latexfontsize="scriptsize" | Pin name
! latexfontsize="scriptsize" | Pin function
! latexfontsize="scriptsize" | 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 mapping ===
CAN devices are mapped to <code>/dev/can<0></code> device in Linux. The device mapping depends on the device tree configuration.
=== Device usage ===
The peripheral can be configured using <code>ifconfig</code> and <code>ip link</code> utilities and can be tested with the <code>can-utils</code> utilities.
<section end="Body" />
[[Category:RIALTO SBC]]