COM20022 View Datasheet(PDF) - SMSC -> Microchip

Part Name

Description

View to exact match

COM20022

10Mbps ARCNET controller with 2Kx8 on-board RAM

SMSC -> Microchip 

COM20022

10 Mbps ARCNET (ANSI 878.1) Controller with 2Kx8

On-Board RAM

FEATURES

!" New Features

- Data Rates up to 10 Mbps

!" Eight, 256 Byte Pages Allow Four Pages TX

- Selectable 8/16 Bit Wide Bus With Data

and RX Plus Scratch-Pad Memory

Swapper

!" Next ID Readable

- Programmable DMA Channel

- Programmable Reconfiguration Times

- 48 Pin TQFP 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

!" Internal Clock Scaler and Clock Multiplier for

Adjusting Network Speed

!" Operating Temperature Range of -40oC to

+85oC

!" Self-Reconfiguration Protocol

!" Supports up to 255 Nodes

!" Supports Various Network Topologies (Star,

Tree, Bus...)

!" CMOS, Single +5V 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

Share Link: