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W5100 is a versatile single-chip network interface chip , internal integrated 10/ 100 Ethernet controller , mainly used in high integration , high stability , high performance and low cost of embedded systems. W5100 can be achieved using an Internet connection without an operating system . W5100 is compatible with IEEE802.3 10BASE-T and 802.3u 100BASE-TX. W5100 internal integration of the full hardware , and after years of market-proven TCP / IP protocol stack, Ethernet media transport layer (MAC) and physical layer (PHY). W5100 does not need to consider the use of Ethernet control port requires only a simple (Socket) programming.
Multiple interface options: direct bus , indirect bus and SPI bus ;
Support for hardware TCP / IP protocol stack, supports TCP, UDP, ICMP, IGMP, IPv4, ARP, PPPoE.
Up to four independent ports ;
Integrated 16KBYTE receive buffer ;
A variety of information indicates output, including RX, TX, Full / Duplex, Colision, Link, Speed;
Supports auto-polarity (DMI / MDIX);
3.3V power supply , IO signal compatible with 5V voltage ;
built-in Ethernet port , double 2 * 14 2.0mm pin ;