ZHCSS31 september   2020 TSB41BA3F-EP

PRODUCTION DATA  

  1.   1
  2. 1 特性
  3. 2 应用
  4. 3 说明
  5. 4 Revision History
  6. 5 Terminal Configuration and Functions
    1.     Terminal Functions
  7. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics - Driver
    6. 6.6 Electrical Characteristics - Receiver
    7. 6.7 Electrical Characteristics - Device
    8. 6.8 Switching Characteristics
  8. 7 Operating Life Deration
  9. 8 Parameter Measurement Information
  10. 9 Overview
  11. 10Functional Block Diagram
  12. 11Principles Of Operation (1394b Interface)
    1. 11.1 LLC Service Request
    2. 11.2 Status Transfer
    3. 11.3 Receive
    4. 11.4 Transmit
  13. 12Principles Of Operation (1394a-2000 Interface)
    1. 12.1 LLC Service Request
    2. 12.2 Status Transfer
    3. 12.3 Receive
    4. 12.4 Transmit
    5. 12.5 Interface Reset and Disable
  14. 13Applications, Implementation, and Layout
    1. 13.1 Known exceptions to functional specification (errata).
      1. 13.1.1 Errata # 1:Restore from Leaf Node (Nephew)
        1. 13.1.1.1 Detailed Description
        2. 13.1.1.2 Background
        3. 13.1.1.3 Workaround Proposal
        4. 13.1.1.4 Corrective Action
    2. 13.2 Application Information
      1. 13.2.1 Interoperability with earlier revisions of TSB41BA3
      2. 13.2.2 Internal Register Configuration
      3. 13.2.3 Feature Enhancements to revision F
        1. 13.2.3.1 Detect Loss of Descrambler Synchronization
          1. 13.2.3.1.1 Detect Loss of Descrambler Synchronization Advantages and Uses
        2. 13.2.3.2 Fast Retrain
          1. 13.2.3.2.1 Fast-Retrain Advantages and Uses
          2. 13.2.3.2.2 Fast-Retrain Backward Compatibility
        3. 13.2.3.3 Fast Power-On Re-connect
          1. 13.2.3.3.1 Fast Power-On Re-Connect Advantages and Uses
          2. 13.2.3.3.2 Fast Power-On Re-Connect Backward Compatibility
        4. 13.2.3.4 Fast Connection Tone Debounce
        5. 13.2.3.5 Programmable invalidCount
      4. 13.2.4 Power-Class Programming
      5. 13.2.5 Using The TSB41BA3F-EP With A 1394-1995 Or 1394a-2000 Link Layer
      6. 13.2.6 Power-Up Reset
      7. 13.2.7 Crystal Selection
      8. 13.2.8 Bus Reset
      9. 13.2.9 Designing With Powerpad™ Devices
  15. 14Device and Documentation Support
    1. 14.1 Tools and Software
    2. 14.2 Device Nomenclature
    3. 14.3 Documentation Support
    4. 14.4 支持资源
    5. 14.5 Trademarks
    6. 14.6 静电放电警告
    7. 14.7 术语表
  16. 15Mechanical, Packaging, and Orderable Information
    1. 15.1 Packaging Information
    2. 15.2 Mechanical Data

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13.2.3.1 Detect Loss of Descrambler Synchronization

If for some reason the descrambler loses synchronization with the incoming scrambled 8b10b symbols, the receiving PHY will not detect them as invalid characters and will not increment invalidCount. This causes it to miss-interpret the incoming symbols and could result in the generation of multiple bus resets in a short period of time. This situation can not be resolved until the descrambler is re-synchronized with the incoming scrambled 8b10b symbols which only occurs during training. This enhancement to the IEEE-1394-2008 Standard has the PHY detect the loss of descrambler synchronization. When loss of descrambler synchronization is detected, the port is forced to exit the P2:Active state. This forces the port to retrain the descrambler with the incoming scrambled symbols. The ELSSD register bit enables and disable this enhancement. ELSSD bit is enabled by default upon reset.