MICROCHIP Ethernet Controller with SPI, 28QFN

The MICROCHIP Ethernet Controller with SPI is a stand-alone device featuring an industry-standard serial peripheral interface (SPI). Designed to serve as an Ethernet network interface for any SPI-equipped controller, this device meets all IEEE 802.3 specifications, making it a robust choice for network integration.

It incorporates several advanced features, including packet filtering schemes to limit incoming packets, an internal DMA module for fast data throughput, and hardware-assisted checksum calculation used in various network protocols. Communication with the host controller is implemented via an interrupt pin and the SPI, supporting clock rates of up to 20MHz. Additionally, two dedicated pins are provided for LED link and network activity indication.

Key Features

• 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 re-transmit on collision
• Programmable padding and CRC generation
• Programmable automatic rejection of erroneous packets
• 8kB transmit/receive packet dual port SRAM
• Configurable transmit/receive buffer size
• Hardware managed circular receive FIFO
• Byte-wide random and sequential access with auto-increment
• Medium Access Controller (MAC) supports uni-cast, multicast and broadcast packets

This surface-mount device is an ESD sensitive component, requiring proper handling precautions during integration.