ZHCSI46C April   2018  – December 2020 DLPC3470

PRODUCTION DATA  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
  6. 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  Power Electrical Characteristics
    6. 6.6  Pin Electrical Characteristics
    7. 6.7  Internal Pullup and Pulldown Electrical Characteristics
    8. 6.8  DMD Sub-LVDS Interface Electrical Characteristics
    9. 6.9  DMD Low-Speed Interface Electrical Characteristics
    10. 6.10 System Oscillator Timing Requirements
    11. 6.11 Power Supply and Reset Timing Requirements
    12. 6.12 Parallel Interface Frame Timing Requirements
    13. 6.13 Parallel Interface General Timing Requirements
    14. 6.14 BT656 Interface General Timing Requirements
    15. 6.15 Flash Interface Timing Requirements
    16. 6.16 Other Timing Requirements
    17. 6.17 DMD Sub-LVDS Interface Switching Characteristics
    18. 6.18 DMD Parking Switching Characteristics
    19. 6.19 Chipset Component Usage Specification
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1  Input Source
        1. 7.3.1.1 Supported Resolution and Frame Rates
        2. 7.3.1.2 3-D Display
        3. 7.3.1.3 Parallel Interface
          1. 7.3.1.3.1 PDATA Bus – Parallel Interface Bit Mapping Modes
      2. 7.3.2  Pattern Display
        1. 7.3.2.1 External Pattern Mode
          1. 7.3.2.1.1 8-bit Monochrome Patterns
          2. 7.3.2.1.2 1-Bit Monochrome Patterns
        2. 7.3.2.2 Internal Pattern Mode
          1. 7.3.2.2.1 Free Running Mode
          2. 7.3.2.2.2 Trigger In Mode
      3. 7.3.3  Device Startup
      4. 7.3.4  SPI Flash
        1. 7.3.4.1 SPI Flash Interface
        2. 7.3.4.2 SPI Flash Programming
      5. 7.3.5  I2C Interface
      6. 7.3.6  Content Adaptive Illumination Control (CAIC)
      7. 7.3.7  Local Area Brightness Boost (LABB)
      8. 7.3.8  3D Glasses Operation
      9. 7.3.9  Test Point Support
      10. 7.3.10 DMD Interface
        1. 7.3.10.1 Sub-LVDS (HS) Interface
    4. 7.4 Device Functional Modes
    5. 7.5 Programming
  8. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Pattern projector for 3D depth scanning
        1. 8.2.1.1 Design Requirements
        2. 8.2.1.2 Detailed Design Procedure
        3. 8.2.1.3 Application Curve
      2. 8.2.2 Pattern Projector with Internal Streaming Mode
        1. 8.2.2.1 Design Requirements
        2. 8.2.2.2 Detailed Design Procedure
        3. 8.2.2.3 Application Curve
  9. 9 Power Supply Recommendations
    1. 9.1 PLL Design Considerations
    2. 9.2 System Power-Up and Power-Down Sequence
    3. 9.3 Power-Up Initialization Sequence
    4. 9.4 DMD Fast Park Control (PARKZ)
    5. 9.5 Hot Plug I/O Usage
  10. 10Layout
    1. 10.1 Layout Guidelines
      1. 10.1.1 PLL Power Layout
      2. 10.1.2 Reference Clock Layout
        1. 10.1.2.1 Recommended Crystal Oscillator Configuration
      3. 10.1.3 Unused Pins
      4. 10.1.4 DMD Control and Sub-LVDS Signals
      5. 10.1.5 Layer Changes
      6. 10.1.6 Stubs
      7. 10.1.7 Terminations
      8. 10.1.8 Routing Vias
      9. 10.1.9 Thermal Considerations
    2. 10.2 Layout Example
  11. 11Device and Documentation Support
    1. 11.1 Device Support
      1. 11.1.1 第三方米6体育平台手机版_好二三四免责声明
      2. 11.1.2 Device Nomenclature
        1. 11.1.2.1 Device Markings
      3. 11.1.3 Video Timing Parameter Definitions
    2. 11.2 Related Documentation
    3. 11.3 接收文档更新通知
    4. 11.4 支持资源
    5. 11.5 Trademarks
    6. 11.6 静电放电警告
    7. 11.7 术语表
  12. 12Mechanical, Packaging, and Orderable Information

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8.2.1.3 Application Curve

As the LED currents that are driven through the red, green or blue LEDs are increased, the brightness of the projector increases. This increase is somewhat non-linear, and the curve for typical white screen lumens changes with LED currents is shown in Figure 8-2. For the LED currents shown, it is assumed that the same current amplitude is applied to the red, green, and blue LEDs. For mono-chrome use case with a single LED or a different light source, this curve will be different and the specific light source documentation needs to be referred for similar information.

GUID-A3A834C7-8812-49A5-8056-8519CF156772-low.gifFigure 8-2 Luminance vs Current
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