ZHCSHY3C April   2018  – December 2020 DLPC3478

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 3D 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 3D Depth Scanner Using Internal Pattern 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 Documentation Support
      1. 11.2.1 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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7.3.1.3 Parallel Interface

The parallel interface complies with standard graphics interface protocol, which includes the signals listed in Table 7-2.

Table 7-2 Parallel Interface Signals
SIGNALDESCRIPTION
VSYNC_WEvertical sync
HSYNC_CShorizontal sync
DATAEN_CMDdata valid
PDATA24-bit data bus
PCLKpixel clock
PDM_CVS_TEparallel data mask (optional)
Note:

VSYNC_WE must remain active at all times when using parallel RGB mode. When this signal is no longer active, the display sequencer stops and causes the LEDs to turn off.

The active edge of both sync signals are variable. The Parallel Interface Frame Timing Requirements section shows the relationship of these signals.

An optional parallel data mask signal (PDM_CVS_TE) allows periodic frame updates to be stopped without losing the displayed image. When active, PDM_CVS_TE acts as a data mask and does not allow the source image to be propagated to the display. A programmable PDM polarity parameter determines if it is active high or active low. PDM_CVS_TE defaults to active high. To disable the data mask function, tie PDM_CVS_TE to a logic low signal. PDM_CVS_TE must only change during vertical blanking.

The parallel interface supports six data transfer formats. They are as follows:

  • 24-bit RGB888 or 24-bit YCbCr888 on a 24 data wire interface
  • 18-bit RGB666 or 18-bit YCbCr666 on an 18 data wire interface
  • 16-bit RGB565 or 16-bit YCbCr565 on a 16 data wire interface
  • 16-bit YCbCr 4:2:2 (standard sampling assumed to be Y0Cb0, Y1Cr0, Y2Cb2, Y3Cr2, Y4Cb4, Y5Cr4, ...)
  • 8-bit RGB888 or 8-bit YCbCr888 serial (1 color per clock input; 3 clocks per displayed pixel) on an 8 data wire interface
  • 8-bit YCbCr 4:2:2 serial (1 color per clock input; 2 clocks per displayed pixel) on an 8 data wire interface

The Section 7.3.1.3.1 section shows the required PDATA(23:0) bus mapping for these six data transfer formats.
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