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COM20020

SMSC Corporation
Part Number COM20020
Manufacturer SMSC Corporation
Description 3.3V ULANC Universal Local Area Network Controller
Published Mar 23, 2005
Detailed Description COM20020 3.3V COM20020 3.3V ULANC Universal Local Area Network Controller with 2K x 8 On-Board RAM FEATURES !" New Feat...
Datasheet PDF File COM20020 PDF File

COM20020
COM20020

Overview
COM20020 3.
3V COM20020 3.
3V ULANC Universal Local Area Network Controller with 2K x 8 On-Board RAM FEATURES !" New Features Data Rates up to 5 Mbps Programmable Reconfiguration Times !" Eight, 256 Byte Pages Allow Four Pages TX and RX Plus Scratch-Pad Memory !" Next ID Readable !" Internal Clock Scaler and Clock Multiplier for Adjusting Network Speed !" Operating Temperature Range of -40 C to o +85 C !" Self-Reconfiguration Protocol !" Supports up to 255 Nodes !" Supports Various Network Topologies (Star, Tree, Bus.
.
.
) !" CMOS, Single +3.
3V Supply !" Duplicate Node ID Detection !" Powerful Diagnostics !" Receive All Packets Mode !" Flexible Media Interface: Traditional Hybrid Interface For Long Distances up to Four Miles at 2.
5Mbps.
RS485 Differential Driver Interface For Low Cost, Low Power, High Reliability o !" 24 Pin DIP, 28 Pin PLCC Package !" Ideal for Industrial/Factory/Building Automation and Transportation Applications !" Deterministic, (ANSI 878.
1), Token Passing ARCNET Protocol !" Minimal Microcontroller and Media Interface Logic Required !" Flexible Interface For Use With All Microcontrollers or Microprocessors !" Automatically Detects Type of Microcontroller Interface !" 2Kx8 On-Chip Dual Port RAM !" Command Chaining for Packet Queuing !" Sequential Access to Internal RAM !" Software Programmable Node ID ORDERING INFORMATION Order Numbers: COM20020ILJP3V 28 PLCC Package COM20020IP3V 24 DIP Package GENERAL DESCRIPTION SMSC's COM20020 is a member of the family of Embedded ARCNET Controllers from Standard Microsystems Corporation.
The device is a general purpose communications controller for networking microcontrollers and intelligent peripherals in industrial, automotive, and embedded control environments using an ARCNET protocol engine.
The small 24 pin package, flexible microcontroller and media interfaces, eight- page message support, and extended temperature range of the COM20020 make it the only true network controller optimized for use in indust...


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