Features:
* IEEE 802.3. Compatible Ethernet Controller
* Fully Compatible with 10/100/1000Base-T Networks
* Integrated MAC and 10Base-T PHY
* Supports One 10Base-T Port with Automatic
Polarity Detection and Correction
* Supports Full and Half-Duplex modes
* Programmable Automatic Retransmit on Collision
* Programmable Padding and CRC Generation
* Programmable Automatic Rejection of Erroneous Packets
* SPI Interface with Clock Speeds up to 20 MHz
Specifications:
* SPI Interface Clock Speed: up to 20 MHz
* Buffer Size: 8 KB
v Operating Voltage: 3.1 V to 3.6 V (3.3 V typical)
* 5 V Tolerant Inputs