LAN83C185-JT Single Chip Low Power 10/100 Ethernet Physical Layer Transceiver High Performance

LAN83C185- JT Single Chip Low Power 10/100 Ethernet Physical Layer Transceiver High Performance

Product Features

■ Single Chip Ethernet Phy

■ Fully compliant with IEEE 802.3/802.3u standards

■ 10BASE-T and 100BASE-TX support

■ Supports Auto-negotiation and Parallel Detection

■ Automatic Polarity Correction

■ Integrated DSP with Adaptive Equalizer

■ Baseline Wander (BLW) Correction

■ Media Independent Interface (MII)

■ 802.3u compliant register functions

■ Vendor Specific register functions

General Description

The SMSC LAN83C185 is a low-power, highly integrated analog interface IC for high-performance embedded Ethernet applications. The LAN83C185 requires only a single +3.3V supply.

The LAN83C185 consists of an encoder/decoder, scrambler/descrambler, transmitter with waveshaping and output driver, twisted-pair receiver with on-chip adaptive equalizer and baseline wander (BLW) correction, clock and data recovery, and Media Independent Interface (MII).

The LAN83C185 is fully compliant with IEEE 802.3/ 802.3u standards and supports both 802.3ucompliant and vendor-specific register functions. It contains a full-duplex 10-BASET/100BASE-TX transceiver and supports 10-Mbps (10BASE-T) operation on Category 3 and Category 5 unshielded twisted-pair cable, and 100-Mbps (100BASE-TX) operation on Category 5 unshielded twisted-pair cable.

Architectural Overview

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