Changes
* http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=644-1020-1-ND
* http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=535-10202-1-ND
== Ethernet ==
=== ENC28J60 ===
[http://ww1.microchip.com/downloads/en/DeviceDoc/39662c.pdf ENC28J60]
* 10baseT
=== LAN8720A ===
[http://www.smsc.com/media/Downloads_Public/Data_Sheets/8720a.pdf LAN8720A]
* 10baseT/100baseTX
