Ethernet interface with the famous standalone ENC28J60 ethernet controller chip from Microchip. Really simple to use. You can find tons of sample programs for this controller chip on the internet for any microcontroller.

Motherboard Interface:
4 pin SPI: SO, SI, CLK, CS
RESET
WOL
INT

External Interface:
RJ-45 (standard LAN connector)

Voltage:

• 3,3V

Features:

• 2 status LEDs on LAN connector
• up to 10Mbit