SLLA642 July   2024 TUSB564-Q1

 

  1.   1
  2.   Abstract
  3.   Trademarks
  4. 1Introduction
  5. 2USB Type-C With DisplayPort Alt-Mode
    1. 2.1 USB Type-C Basics
    2. 2.2 Adding USB3
    3. 2.3 Adding DisplayPort Alt-mode
  6. 3USB 4-Meter System
  7. 4USB 9-Meter System
  8. 5DisplayPort 4.6-Meter System
    1. 5.1 5.4Gbps
    2. 5.2 8.1Gbps
  9. 6DisplayPort 9.2-Meter System
  10. 7Summary
  11. 8References

5.1 5.4Gbps

The equalization setting used on the TUSB564-Q1 is setting #0. This adds 1.0dB of gain on the DisplayPort lanes routing through the device. Following are the results of a 5.4Gbps DisplayPort compliance test taken at the downstream end of this system.

DisplayPort 4.6-Meter System Test Results at 5.4Gbps Lane 0 Figure 5-2 DisplayPort 4.6-Meter System Test Results at 5.4Gbps Lane 0
DisplayPort 4.6-Meter System Test Results at 5.4Gbps Lane 1 Figure 5-3 DisplayPort 4.6-Meter System Test Results at 5.4Gbps Lane 1
DisplayPort 4.6-Meter System Test Results at 5.4Gbps Lane 2 Figure 5-4 DisplayPort 4.6-Meter System Test Results at 5.4Gbps Lane 2
DisplayPort 4.6-Meter System Test Results at 5.4Gbps Lane 3 Figure 5-5 DisplayPort 4.6-Meter System Test Results at 5.4Gbps Lane 3

The compliance test is able to pass in this configuration with no issues. The eye diagram shows a defined eye opening and transition area.