Open main menu

DAVE Developer's Wiki β

ETRA SBC/Interfaces and Connectors/Ethernet

< ETRA SBC
History
Issue Date Notes
2021/01/14 First Release


Contents

Ethernet interfaceEdit

DescriptionEdit

The Ethernet interface is available on the Evaluation Kit at the connector J5.

J5 is a standard RJ45 connector connected to the SOM integrated ethernet controller and PHY.

J6 and J7 connectors are pin-to-pin compatible mounting options for the same interface.


 
Ethernet connector

SignalsEdit

The following table describes the interface signals on J18 SOM connector:

Pin# SOM Pin# Pin name Pin function Pin Notes
3 J18.19 ETH_TX_P Transmit data +
5 J18.21 ETH_TX_M Transmit data -
6 J18.23 ETH_RX_P Receive data +
8 J18.25 ETH_RX_M Receive data -
2,11 J18.13 ETH1_LED Eth link or activity led

Device mappingEdit

This network interface is mapped at eth0 device in Linux.

Device usageEdit

The peripheral is used the standard kernel interface and network protocol stack.