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TMC2072

Status: In Production

Features:

  • Low Power CMOS, 3.3 Volt Power Supply with 5 Volt Tolerant I/O
  • Both 86xx and 68hxx Platforms
  • Sequential I/O Mapped Access
  • Maximum 31 Nodes per Network
  • Token Retry Mechanism
  • Maximum 256 Bytes per Packet
  • Consecutive Node ID Assignment
  • Shared Memory within Network
  • Network Time Synchronization
  • Automatic Time Stamping
  • Intelligent 1-Bit Error Correction
  • Magnetic Saturation Prevention
  • Supports Only Peripheral (Host) Mode Operates with MCU
  • Supports 8 Bit Programmable General Purpose I/O
  • Free Format Mode
  • Remote Buffer Mode
  • 1 Internal and 2 External
  • Bus, Star, and Tree
  • RS485 Differential Driver
  • Fiber Optics and Twisted Pair Cable Supported
  • 100-Pin, TQFP RoHS Compliant Package
  • Temperature Range from 0 to 70 Degrees C
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Overview
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RoHS Information
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Device Overview

Summary

The TMC2072 network controller is CircLink technology's flagship product. The TMC2072's flexibility and rich feature set enable a high-reliability and high-performance, real-time and control-oriented network without the cumbersome middle layer protocol stacks and complex packet prioritization schemes typically required.

TMC2072 operates at network data transfer rates up to 5 Mbps. Its embedded 1 kByte RAM can be configured into a maximum of 32 pages to implement a 31-node network where each node in the network has the same local memory.

TMC2072 supports "Peripheral Mode" operation, which includes two selectable communication modes:"Free Format Mode" and "Remote Buffer Mode". Free Format mode, retained from ARCNET, is "packet oriented" communication. Remote Buffer mode communication is a CircLink-specific feature, and is a token oriented communication, which includes automatic data transmission when the token arrives.

The TMC2072 has a flexible 8-bit or 16-bit databus to interface various CPU types including X86, 68XX, and SHx with multiplexed or non-multiplexed address/data. When operating in Peripheral mode, the TMC2072 has 8-bit programmable I/O available. When operating in Standalone mode, the TMC2072's I/O configuration is16-bit. The TMC2072 also integrates a 3-port hub (two ports for external connection) to accommodate various network topologies (Bus, Star, etc.) and combinations.

Additional Features

    Features

    • Low Power CMOS, 3.3 Volt Power Supply with 5 Volt Tolerant I/O
    • Supports 8/16-Bit Data Bus
      • Both 86xx and 68hxx Platforms
    • 1K On-chip Dual Port Buffer Memory
      • Sequential I/O Mapped Access
    • Enhanced Token Passing Protocol from ARCNET
      • Maximum 31 Nodes per Network
      • Token Retry Mechanism
      • Maximum 256 Bytes per Packet
      • Consecutive Node ID Assignment
    • Memory Mirror
      • Shared Memory within Network
    • Network Standard Time
      • Network Time Synchronization
      • Automatic Time Stamping
    • Coded Mark Inversion
      • Intelligent 1-Bit Error Correction
      • Magnetic Saturation Prevention
    • Single Operation Mode
      • Supports Only Peripheral (Host) Mode Operates with MCU
    • Supports 8 Bit Programmable General Purpose I/O
    • Dual Communication Modes (with Peripheral Mode)
      • Free Format Mode
      • Remote Buffer Mode
    • 3 Port Hub Integrated
      • 1 Internal and 2 External
    • Flexible Topologies
      • Bus, Star, and Tree
    • Low-Cost Media can be Used
      • RS485 Differential Driver
    • Fiber Optics and Twisted Pair Cable Supported
    • 100-Pin, TQFP RoHS Compliant Package
    • Temperature Range from 0 to 70 Degrees C
Parametrics
Name
Value
MAC
Yes
TX/RX RAM Buffer(Bytes)
8K
Deterministic Protocola (Token Passing)
Yes
Operating Voltage (V)
3.3V
Max Speed (MHz)
5 Mbps
Interface
RS485
Temp Range Max (°C)
70
Comments
Peripheral mode Circlink Controller

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RoHS Information

Part Number
Device Weight (g)
Shipping Weight (grams)
Lead Count
Package Type
Package Width
Solder Composition
JEDEC Indicator
RoHS
China EFUP
TMC2072-MT
0.580400
6.666667
100
LQFP
14x14x1.4mm
Matte Tin
e3
To see a complete listing of RoHS data for this device, please Click here
Shipping Weight = Device Weight + Packing Material weight. Please contact sales office if device weight is not available.

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