SNLA132G October   2011  – November 2020 DS90UB928Q-Q1 , DS90UB941AS-Q1 , DS90UB948-Q1 , DS90UH925Q-Q1 , DS90UH926Q-Q1 , DS90UH940N-Q1

 

  1.   Trademarks
  2. 1Introduction
  3. 2Overview of Internal Test Pattern Generation
    1. 2.1 Color Mode
    2. 2.2 Video Timing Modes
    3. 2.3 Clock Generation
    4. 2.4 Pattern Selection
    5. 2.5 Pattern Inversion
    6. 2.6 Auto-Scrolling
  4. 3Serial Control Bus Registers for Internal Test Pattern Generation
    1. 3.1 Direct Register Map
      1. 3.1.1 Control and Configuration
      2. 3.1.2 Indirect Access Address and Data
      3. 3.1.3 DS90Ux928Q-Q1/DS90UB924-Q1 Internal Clock Source
    2. 3.2 Indirect Register Map
      1. 3.2.1 General Control
      2. 3.2.2 Internal Timing Control
      3. 3.2.3 Auto-Scrolling Control
  5. 4Configuration Examples
    1. 4.1 Auto-Scrolling Configuration
    2. 4.2 Internal Default Timing Configuration
    3. 4.3 Custom Display Configuration
    4. 4.4 1080p60 with External Clock Example Configuration
    5. 4.5 Resolution Readback Example
  6. 5Conclusion
  7. 6References
  8. 7Revision History

2.4 Pattern Selection

The pattern generator offers 14 (DS90Ux925Q-Q1/DS90Ux926Q-Q1/DS90UB921-Q1) or 17 (All other aforementioned devices) built-in color patterns:

  1. Full-screen White
  2. Full-screen Black
  3. Full-screen Red
  4. Full-screen Green
  5. Full-screen Blue
  6. Horizontally scaled Black to White
  7. Horizontally scaled Black to Red
  8. Horizontally scaled Black to Green
  9. Horizontally scaled Black to Blue
  10. Vertically scaled Black to White
  11. Vertically scaled Black to Red
  12. Vertically scaled Black to Green
  13. Vertically scaled Black to Blue
  14. Full-screen User-Configurable Color
  15. VCOM (Not available for 921/925Q/926Q)
  16. Black & White (or User-configurable Color) Checkerboard (Not available for 921/925Q/926Q)
  17. Vertical Color Bars (Not available for 921/925Q/926Q)
    Note:

    The Color Bars Pattern is not available for use in Auto-Scrolling Mode.