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W3100A-LF (Obsolete)

? Migration Guide (W3100A -> W3150A+)
? Migration Guide (W3100A -> W5100)
? Migration Guide (W3100A -> W5300)

WIZnet Chip Benefits

Performance Benefits Line-speed data transmission by hardwired logic and Saving MCU processing power by TCP/IP offload
Implementation Benefits Easy control way like memory
Cost Benefits

No OS required

Application Benefits - As a Internet Controller
  Easy embedded to controllers or data collectors with low-end MCUs
- As a Internet Accelerator
   Reducing Jitter with fixed processing time by hardware. Enhancing video and voice quality.



- Amazing protocol processing speed (depending upon MCU) 8051 (max. 1Mbps), AVR (max.8Mbps), ARM7 (max.21Mbps)
- 10/100 Base-T Ethernet Gateway (Auto detection)
- Supports 4 independent channels simultaneously(Dynamic buffer allocation for each channel)
- Full-duplex mode
- MCU bus interface and I2C serial interface for MCU
- Support 8 Bit CPU Access
- Standard MII interface for physical layer
- 16KBytes data buffer embedded
- Simple socket API interface
- Small 64 Pin LQFP package
- 3.3V internal operation, 5V tolerant I/Os
- Commercial Temperature Range from 0°C to 70°C
- DHCP, TELNET, FTP, HTTP, DNS, SNMP source codes are provided with EVB or DK
- All source codes are written in ANSI C totally free
- RoHS Package


Ordering Information

Part No. Description
W3100A-LF WIZnet Chip Fully Hardwired TCP/IP Chip