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Datasheet Microchip COM20022i

ManufacturerMicrochip
SeriesCOM20022i

The COM20022I is a member of the family of Embedded ARCNET Controllers from Standard Microsystems Corporation

Datasheets

  • Download » Datasheet, PDF, 522 Kb, 09-27-2007
    COM20022i 10 Mbps ARCNET (ANSI 878.1) Controller with 2K x 8 On-Chip RAM Data S
    Docket ↓
    COM20022I
    10 Mbps ARCNET
    (ANSI 878.1) Controller
    with 2Kx8 On-Chip
    RAM
    Datasheet Product Features
    ƒ New Features
    --ƒ Data Rates up to 10 Mbps
    Selectable 8/16 Bit Wide Bus With Data Swapper
    Programmable DMA Channel
    Programmable Reconfiguration Times
    48 Pin TQFP Package; Lead-Free RoHS
    Compliant Package also available Ideal for Industrial/Factory/Building Automation
    and Transportation Applications ƒ Eight, 256 Byte Pages Allow Four Pages TX and
    RX Plus Scratch-Pad Memory ƒ Next ID Readable ƒ Internal Clock Scaler and Clock Multiplier for
    Adjusting Network Speed ƒ Operating Temperature Range of -40oC to +85oC ƒ Self-Reconfiguration Protocol ƒ Supports up to 255 Nodes ƒ Supports Various Network Topologies (Star,
    Tree, Bus.) ƒ Deterministic, (ANSI 878.1), Token Passing
    ARCNET Protocol ƒ Minimal Microcontroller and Media Interface
    Logic Required ƒ CMOS, Single +5V Supply ƒ Flexible Interface For Use With All
    Microcontrollers or Microprocessors ƒ Duplicate Node ID Detection ƒ Powerful Diagnostics ƒ Automatically Detects Type of Microcontroller
    Interface ƒ Receive All Packets Mode ƒ 2Kx8 On-Chip Dual Port RAM ƒ Command Chaining for Packet Queuing ƒ Sequential Access to Internal RAM ƒ Software Programmable Node ID SMSC COM20022I ƒ Flexible Media Interface:
    -Traditional Hybrid Interface For Long Distances up
    to Four Miles at 2.5Mbps ...

Prices

Status

COM20022I-HT
Lifecycle StatusProduction (Appropriate for new designs but newer alternatives may exist)

Packaging

COM20022I-HT
PackageTQFP
Pins48

Parametrics

COM20022I-HT
Deterministic Protocola, Token PassingYes
InterfaceRS485
MACYes
Max Speed, MHz10 Mbps
Op. Voltage, V5V
Operating Temperature Range, °C-40 to +85
PHYNo
Standalone Arcnet CntrlN/A
TX/RX RAM Buffer(Bytes)16K
Temp Range Max.(° C)85
Temp Range Min.(° C)-40

Eco Plan

COM20022I-HT
RoHSCompliant

Moldel Line

Series: COM20022i (1)

Manufacturer's Classification

  • High-Speed Networking and Video > ARCNET

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