Microchip's ENC624J600 offers low-cost stand-alone 10/100 Base-T Ethernet interface controller with integrated MAC & PHY, hardware cryptographic security engines and factory preprogrammed unique MAC address. A 24-Kbyte on-chip RAM buffer is available for TX and RX operations. The Microchip ENC624J600 have an industry standard Serial Peripheral Interface (SPI) or a flexible parallel interface. They are designed to serve as an Ethernet network interface for any microcontroller equipped with SPI or a standard parallel port. Microchip’s ENC624J600 enables designers to create secured network- and Internet-connected embedded applications with minimized board space, cost and complexity.eatures
Features Features

• IEEE 802.3™ Compliant Fast Ethernet Controller
• Integrated MAC and 10/100Base-T PHY
• Hardware Security Acceleration Engines
• Factory Preprogrammed Unique MAC Address
• Supports one 10/100Base-T Port with Automatic Polarity Detection and Correction
• Supports Auto-Negotiation
• Support for Pause Control Frames, including Automatic Transmit and Receive Flow Control
• Supports Half and Full-Duplex Operation
• Programmable Automatic Retransmit on Collision
• ENC624J600 Data Sheet