SBC Axel SBC/Interfaces and Connectors/Ethernet

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History
Version Issue Date Notes
1.0.0 Oct 2020 First DESK release


Ethernet[edit | edit source]

Description[edit | edit source]

J16 is a standard RJ45 connectors connected to the SOM integrated ethernet controller and PHY.


Ethernet connector

Signals[edit | edit source]

The following table describes the interface signals:

Pin# SOM Pin# Pin name Pin function Pin Notes
11 J10.19 ETH0_TXRX0_P Transmit and receive pair 0 data +
10 J10.21 ETH0_TXRX0_M Transmit and receive pair 0 data -
4 J10.23 ETH0_TXRX1_P Transmit and receive pair 1 data +
3 J10.27 ETH0_TXRX2_P Transmit and receive pair 2 data +
2 J10.29 ETH0_TXRX2_M Transmit and receive pair 2 data -
5 J10.25 ETH0_TXRX1_M Transmit and receive pair 1 data -
8 J10.31 ETH0_TXRX3_P Transmit and receive pair 3 data +
9 J10.33 ETH0_TXRX3_M Transmit and receive pair 3 data -
17 J10.15 3V3_ETH1_LED2 Eth link led
20 J10.13 3V3_ETH1_LED1 Eth activity led

Device mapping[edit | edit source]

The network interface mapped at eth0 device in Linux.

Device usage[edit | edit source]

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