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78Q2120C09-DB

Evaluation Kit for the 78Q2120C

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Description

The 78Q2120C09-DB is a design example for a 10/100BASE-TX Mbit/second Fast Ethernet MII Interface adaptor. The 78Q2120C09 transceiver provides the network physical interface and MII (Medium Independent Interface) interface.

Teridian Semiconductor's 78Q2120C09 is an auto-sensing, auto-switching 10/100BASE-TX Fast Ethernet transceiver with full duplex operation capability. The device interfaces directly to the IEEE®-802.3u MII port. Full-featured MII management functions are included along with an extended register set. A five bit configurable PHY address is provided for multiple PHY architectures. The 78Q2120C09 interfaces to CAT5 UTP cable via a 1:1 transformer.

The transceiver's transmitter includes on-chip the pulse shaper and low power line driver. The receiver incorporates a sophisticated combination of real-time adaptive equalization, an adaptive DC offset adjustment circuit and baseline wander correction. Smart squelch circuitry further improves the receiver's noise rejection. Full featured auto-negotiation or parallel detect modes are supported.

Using 0.18µm CMOS technology, the 78Q2120C09 operates at +3.3V. Intelligent power management and power down modes minimize power consumption. The demo board requires operation with a +3.3V power supply.

Data Sheet

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Key Features

Design Kit Contains:
  • 78Q2120C09 MII Demo Board
  • Demo Board Parts List
  • P.C.B. Gerber Files
  • Demo Board Schematic
  • 78Q2120C09 Data Sheet
 

Applications/Uses

  • Consumer Electronics
  • IP Cameras
  • Print Servers
   

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Rev 1; 2010-07-27
This page last modified: 2010-07-27