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Datasheet Microchip COM20022i3.3V


The COM20022I 3V is a member of the family of Embedded ARCNET Controllers from Microchip


  • Download » Datasheet PDF, 476 Kb, File published: Aug 3, 2007
    COM20022I 3V 10 Mbps ARCNET (ANSI 878.1) Controller with 2Kx8 On-Chip RAM Data
    Docket ↓
    COM20022I 3.3V Rev.C 10 Mbps ARCNET (ANSI
    878.1) Controller with
    2Kx8 On-Chip RAM
    Datasheet Product Features
    New Features Вѓ -Data Rates up to 10 Mbps
    -Selectable 8/16 Bit Wide Bus With Data Swapper
    -Programmable Reconfiguration Times Eight, 256 Byte Pages Allow Four Pages TX and
    RX Plus Scratch-Pad Memory Вѓ Next ID Readable Вѓ Internal Clock Scaler and Clock Multiplier for
    Adjusting Network Speed Вѓ Operating Temperature Range of -40oC to +85oC Ideal for Industrial/Factory/Building Automation
    and Transportation Applications Вѓ 3.3V power supply with 5V tolerant I/O Вѓ Deterministic, (ANSI 878.1), Token Passing
    ARCNET Protocol Вѓ Self-Reconfiguration Protocol Вѓ Supports up to 255 Nodes Вѓ Minimal Microcontroller and Media Interface
    Logic Required Вѓ Supports Various Network Topologies (Star,
    Tree, Bus.) Вѓ Flexible Interface For Use With All
    Microcontrollers or Microprocessors Вѓ CMOS, Single +3.3V Supply Вѓ Duplicate Node ID Detection Вѓ Automatically Detects Type of Microcontroller
    Interface Вѓ Powerful Diagnostics Вѓ Вѓ Receive All Packets Mode 2Kx8 On-Chip Dual Port RAM Вѓ Вѓ Command Chaining for Packet Queuing Вѓ Sequential Access to Internal RAM Вѓ Software Programmable Node ID Вѓ Вѓ
    Вѓ 48 Pin TQFP Package; Lead-Free RoHS
    Compliant package also available Flexible Media Interface:
    -Traditional Hybrid Interface For Long Distances
    at 2.5Mbps
    -RS485 Differential Driver Interface For Low Cost,
    Low Power, High Reliability ORDERING INFORMATION
    Order Number:
    COM20022I3V-HD for 48 pin TQFP package ...



Lifecycle StatusProduction (Appropriate for new designs but newer alternatives may exist)




Deterministic Protocola, Token PassingYes
Max Speed, MHz10 Mbps
Op. Voltage, V3.3V
Operating Temperature Range, °C-40 to +85
Standalone Arcnet CntrlN/A
TX/RX RAM Buffer(Bytes)16K
Temp Range Max.(° C)85
Temp Range Min.(° C)-40

Moldel Line

Series: COM20022i3.3V (1)

Manufacturer's Classification

  • High-Speed Networking and Video > ARCNET

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