? Description ? Features ? Block Diagram G
? Description
The i2Chip W3100A is an LSI of hardwareprotocol stack that provides an easy, low-cost solution
for high-speed Internet connectivity for digital devices by allowing simple installation of TCP/IP stack in the hardware.
The W3100A offers system designers a quick,
easy way to add Ethernet networking functionality toany product. Implementing this LSI into asystem
can completely offload Internet connectivity andprocessing standard protocols from the system,thereby significantly reducing the softwaredevelopment cost. The W3100A contains TCP/IP Protocol Stackssuch as TCP, UDP, IP, ARP and ICMP protocols, aswell as Ethernet protocols such as Data Link Controland MAC protocol.
The W3100A offers a socket API (ApplicationProgramming Interface) that is similar to the windowssocket API. The chip offers Intel and MotorolaMCU (8051, i386, 6811 tested) bus interface and I2
C for upper-layer and supports standard MII interface forunder-layer Ethernet.
The W3100A can be applied to handheld devicesincluding Internet phones, VoIP SOC chips, Internet MP3 players, handheld medical devices, LAN cardsfor Web servers, cellular phones and many other non-portable electronic devices such as large consumerelectronic products.G
? Features
G
6/Hardware Internet protocols included: TCP, IP Ver.4, UDP, ICMP, ARP 6/Hardware Ethernet protocols included: DLC, MAC
6/Supports 4 independent connections simultaneously6/Internal ICMP responds to PING commands 6/Protocol processing speed: full-duplex 4~5 Mbps 6/Intel/Motorola MCU bus Interface 6/I2
C Interface
6/Standard MII Interface for under-layer physical chip 6/Socket API support for easy application programming6/Supports full-duplex mode
6/Internal 16Kbytes Dual-port SRAM for data buffer 6/0.35 µm CMOS technology 6/Wide operating voltage:
3.3V internal operation, 5V tolerant 3.3V IOs 6/Small 64 Pin LQFP Package
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