Ethernet board based on ATMega644 micro-controller and ENC28J60 network chip

• Two Wire (I2C)
• Universal Synchronous and Asymchronous serial Receiver and Transmitter (USART)
• Serial Peripheral Interface (SPI)

• Link layer
  • Adres Resolution Protocol (ARP, rfc826)
• Internet layer
  • Internet Protocol (IP, rfc791)
  • Internet Control Message Protocol (ICMP rfc792)
• Transport Layer
  • User Datagram Protocol (UDP, rfc768)
  • Transmission Control Protocol (TCP, transport layer, rfc793, draft 1323)
• Application layer
  • Dynamic Host Configuration Protocol (DHCP, rfc2131, rfc1533)
  • Hypertext Transfer Protocol (HTTP, application layer, rfc2616)

• Network Time Protocol (NTP, application layer, rfc958)
• Domain Name System (DNS, application layer, rfc1035)
• Extensible Messaging and Presence Protocol (XMPP, application layer, rfc6120)