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RIALTO SBC/Interfaces and Connectors/CAN

2,258 bytes added, 12 January
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==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.

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[[Category:RIALTO SBC]]
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