78Q2123 Overview
Key Features
- Smallest 10/100 PHY available 10BASE-T/100BASE-TX IEEE-802.3 compliant TX and RX functions requiring a dual 1:1 isolation transformer interface to the line Integrated MII, 10BASE-T/100BASE-TX ENDEC, 100BASE-TX scrambler/descrambler, and full-featured auto-negotiation function Full duplex operation capable Automatic MDI/MDI-X cross over correction Register-programmable transmit amplitude Automatic polarity correction during autonegotiation and 10BASE-T signal reception Power-saving and power-down modes including transmitter disable 2 Program
