ZHCSV54B July   2006  – March 2024 SN65MLVD047A

PRODUCTION DATA  

  1.   1
  2. 1 特性
  3. 2 应用
  4. 3 说明
  5. 4 Pin Configuration
  6. 5 Specifications
    1. 5.1 Absolute Maximum Ratings
    2. 5.2 ESD Ratings
    3. 5.3 Recommended Operating Conditions
    4. 5.4 Package Dissipation Ratings
    5. 5.5 Thermal Information
    6. 5.6 Device Electrical Characteristics
    7. 5.7 Device Electrical Characteristics
    8. 5.8 Switching Characteristics
    9. 5.9 Typical Characteristics
  7. 6 Parameter Measurement Information
  8. 7 Device Functional Modes
  9. 8 Application and Implementation
    1. 8.1 Application Information
      1. 8.1.1 Synchroization Clock in AdvancedTCA
      2. 8.1.2 Multipoint Configuration
      3. 8.1.3 Multidrop Configuration
      4. 8.1.4 Unused Channel
  10. 9 Device and Documentation Support
    1. 9.1 接收文档更新通知
    2. 9.2 支持资源
    3. 9.3 Trademarks
    4. 9.4 静电放电警告
    5. 9.5 术语表
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information

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8.1.3 Multidrop Configuration

Multidrop configuration is similar to multipoint configuration, but only one driver is present on the bus. A multidrop system can be configured with the driver at one end of the bus, or in the middle of the bus. When a driver is located at one end, a single termination resistor is located at the far end, close to the last receiver on the bus. Alternatively, the driver can be located in the middle of the bus, to reduce the maximum flight time. With a centrally located driver, termination resistors are located at each end of the bus. In both cases, the termination resistor value should be matched to the loaded bus impedance. Figure 8-2 shows examples of both cases.

GUID-9D48F9E0-3042-4631-9959-45FE1C169AB1-low.gif Figure 8-2 Multidrop Architectures With Different Driver Locations