ENC28J60屬于集成電路（IC）的控制器。由微芯科技股份有限公司制造生產(chǎn)的ENC28J60控制器該系列產(chǎn)品主要用于在采用不同通信協(xié)議和/或信令方法的端點(diǎn)之間提供信息連接。示例包括將 I2C 總線連接到 UART，將 USB 連接到 I2C、SPI、以太網(wǎng)或 UART、以太網(wǎng) MAC 和 PHY 等的器件。此外，還包括用于通過為點(diǎn)對點(diǎn)通信設(shè)計的接口建立多路連接的器件，例如 USB 集線器控制器。

OVERVIEW

The ENC28J60 is a stand-alone Ethernet controller with an industry standard Serial Peripheral Interface (SPI). It is designed to serve as an Ethernet network interface for any controller equipped with SPI.

Ethernet Controller Features

? IEEE 802.3 compatible Ethernet controller

? 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

Buffer

? 8-Kbyte 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

? Internal DMA for fast data movement

? Hardware assisted checksum calculation for various network protocols

Medium Access Controller (MAC) Features

? Supports Unicast, Multicast and Broadcast packets

? Programmable receive packet filtering and wake-up host on logical AND or OR of the following:

- Unicast destination address

- Multicast address

- Broadcast address

- Magic Packet?

- Group destination addresses as defined by 64-bit hash table

- Programmable pattern matching of up to 64 bytes at user-defined offset

Physical Layer (PHY) Features

? Loopback mode

? Two programmable LED outputs for LINK, TX, RX, collision and full/half-duplex status

Operational

? Six interrupt sources and one interrupt output pin

? 25 MHz clock input requirement

? Clock out pin with programmable prescaler

? Operating voltage of 3.1V to 3.6V (3.3V typical)

? 5V tolerant inputs

? Temperature range: -40°C to +85°C Industrial, 0°C to +70°C Commercial (SSOP only)

? 28-pin SPDIP, SSOP, SOIC, QFN packages