ZHCSFS6B July   2016  – June 2018 SN65DSI85-Q1

PRODUCTION DATA.  

  1. 1 特性
  2. 2 应用
  3. 3 说明
    1.     典型应用
  4. 4 修订历史记录
  5. 5 Pin Configuration and Functions
    1.     Pin 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 Electrical Characteristics
    6. 6.6 Switching Characteristics
  7. 7 Parameter Measurement Information
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Reset Implementation
      2. 8.3.2 Initialization Setup
      3. 8.3.3 LVDS Output Formats
      4. 8.3.4 DSI Lane Merging
      5. 8.3.5 DSI Pixel Stream Packets
      6. 8.3.6 DSI Video Transmission Specifications
      7. 8.3.7 ULPS
      8. 8.3.8 LVDS Pattern Generation
    4. 8.4 Device Functional Modes
      1. 8.4.1 Operating Modes
    5. 8.5 Programming
      1. 8.5.1 Clock Configurations and Multipliers
    6. 8.6 Register Maps
      1. 8.6.1 Local I2C Interface Overview
        1. 8.6.1.1 Write Procedure
        2. 8.6.1.2 Read Procedure
        3. 8.6.1.3 Setting a Starting Sub-Address Procedure
      2. 8.6.2 Control and Status Registers Overview
      3. 8.6.3 CSR Bit
        1. 8.6.3.1 ID Registers (address = 0x00 to 0x08)
          1. Table 7. ID Register Field Descriptions
        2. 8.6.3.2 Reset and Clock Registers
          1. 8.6.3.2.1 Address 0x09
            1. Table 8. Address 0x09 Definitions
          2. 8.6.3.2.2 Address 0x0A
            1. Table 9. Address 0x0A Field Descriptions
          3. 8.6.3.2.3 Address 0x0B
            1. Table 10. Address 0x0B Field Descriptions
          4. 8.6.3.2.4 Address 0x0D
            1. Table 11. Address 0x0D Field Descriptions
        3. 8.6.3.3 DSI Registers
          1. 8.6.3.3.1 Address 0x10
            1. Table 12. Address 0x10 Field Descriptions
          2. 8.6.3.3.2 Address 0x11
            1. Table 13. Address 0x11 Field Descriptions
          3. 8.6.3.3.3 Address 0x12
            1. Table 14. Address 0x12 Field Descriptions
          4. 8.6.3.3.4 Address 0x13
            1. Table 15. Address 0x13 Field Descriptions
        4. 8.6.3.4 LVDS Registers
          1. 8.6.3.4.1 Address 0x18
            1. Table 16. Address 0x18 Field Descriptions
          2. 8.6.3.4.2 Address 0x19
            1. Table 17. Address 0x19 Field Descriptions
          3. 8.6.3.4.3 Address 0x1A
            1. Table 18. Address 0x1A Field Descriptions
          4. 8.6.3.4.4 Address 0x1B
            1. Table 19. Address 0x1B Field Descriptions
        5. 8.6.3.5 Video Registers
          1. 8.6.3.5.1  Address 0x20
            1. Table 20. Address 0x20 Field Descriptions
          2. 8.6.3.5.2  Address 0x21
            1. Table 21. Address 0x21 Field Descriptions
          3. 8.6.3.5.3  Address 0x22
            1. Table 22. Address 0x22 Field Descriptions
          4. 8.6.3.5.4  Address 0x23
            1. Table 23. Address 0x23 Field Descriptions
          5. 8.6.3.5.5  Address 0x24
            1. Table 24. Address 0x24 Field Descriptions
          6. 8.6.3.5.6  Address 0x25
            1. Table 25. Address 0x25 Field Descriptions
          7. 8.6.3.5.7  Address 0x26
            1. Table 26. Address 0x26 Field Descriptions
          8. 8.6.3.5.8  Address 0x27
            1. Table 27. Address 0x27 Field Descriptions
          9. 8.6.3.5.9  Address 0x28
            1. Table 28. Address 0x28 Field Descriptions
          10. 8.6.3.5.10 Address 0x29
            1. Table 29. Address 0x29 Field Descriptions
          11. 8.6.3.5.11 Address 0x2A
            1. Table 30. Address 0x2A Field Descriptions
          12. 8.6.3.5.12 Address 0x2B
            1. Table 31. Address 0x2B Field Descriptions
          13. 8.6.3.5.13 Address 0x2C
            1. Table 32. Address 0x2C Field Descriptions
          14. 8.6.3.5.14 Address 0x2D
            1. Table 33. Address 0x2D Field Descriptions
          15. 8.6.3.5.15 Address 0x2E
            1. Table 34. Address 0x2E Field Descriptions
          16. 8.6.3.5.16 Address 0x2F
            1. Table 35. Address 0x2F Field Descriptions
          17. 8.6.3.5.17 Address 0x30
            1. Table 36. Address 0x30 Field Descriptions
          18. 8.6.3.5.18 Address 0x31
            1. Table 37. Address 0x31 Field Descriptions
          19. 8.6.3.5.19 Address 0x32
            1. Table 38. Address 0x32 Field Descriptions
          20. 8.6.3.5.20 Address 0x33
            1. Table 39. Address 0x33 Field Descriptions
          21. 8.6.3.5.21 Address 0x34
            1. Table 40. Address 0x34 Field Descriptions
          22. 8.6.3.5.22 Address 0x35
            1. Table 41. Address 0x35 Field Descriptions
          23. 8.6.3.5.23 Address 0x36
            1. Table 42. Address 0x36 Field Descriptions
          24. 8.6.3.5.24 Address 0x37
            1. Table 43. Address 0x37 Field Descriptions
          25. 8.6.3.5.25 Address 0x38
            1. Table 44. Address 0x38 Field Descriptions
          26. 8.6.3.5.26 Address 0x39
            1. Table 45. Address 0x39 Field Descriptions
          27. 8.6.3.5.27 Address 0x3A
            1. Table 46. Address 0x3A Field Descriptions
          28. 8.6.3.5.28 Address 0x3B
            1. Table 47. Address 0x3B Field Descriptions
          29. 8.6.3.5.29 Address 0x3C
            1. Table 48. Address 0x3C Field Descriptions
          30. 8.6.3.5.30 Address 0x3D
            1. Table 49. Address 0x3D Field Descriptions
          31. 8.6.3.5.31 Address 0x3E
            1. Table 50. Address 0x3E Field Descriptions
        6. 8.6.3.6 IRQ Registers
          1. 8.6.3.6.1 Address 0xE0
            1. Table 51. Address 0xE0 Field Descriptions
          2. 8.6.3.6.2 Address 0xE1
            1. Table 52. Address 0xE1 Field Descriptions
          3. 8.6.3.6.3 Address 0xE2
            1. Table 53. Address 0xE2 Field Descriptions
          4. 8.6.3.6.4 Address 0xE5
            1. Table 54. Address 0xE5 Field Descriptions
          5. 8.6.3.6.5 Address 0xE6
            1. Table 55. Address 0xE6 Field Descriptions
  9. 9 Application and Implementation
    1. 9.1 Application Information
      1. 9.1.1 Video STOP and Restart Sequence
      2. 9.1.2 Reverse LVDS Pin Order Option
      3. 9.1.3 IRQ Usage
    2. 9.2 Typical Applications
      1. 9.2.1 Typical WUXGA 18-bpp Application
        1. 9.2.1.1 Design Requirements
        2. 9.2.1.2 Detailed Design Procedure
          1. 9.2.1.2.1 Example Script
        3. 9.2.1.3 Application Curve
      2. 9.2.2 Typical WQXGA 24-bpp Application
        1. 9.2.2.1 Design Requirements
  10. 10Power Supply Recommendations
    1. 10.1 VCC Power Supply
    2. 10.2 VCORE Power Supply
  11. 11Layout
    1. 11.1 Layout Guidelines
      1. 11.1.1 Package Specific
      2. 11.1.2 Differential pairs
      3. 11.1.3 Ground
    2. 11.2 Layout Example
  12. 12器件和文档支持
    1. 12.1 文档支持
      1. 12.1.1 相关文档
    2. 12.2 接收文档更新通知
    3. 12.3 社区资源
    4. 12.4 商标
    5. 12.5 静电放电警告
    6. 12.6 术语表
  13. 13机械、封装和可订购信息

8.3.8 LVDS Pattern Generation

The SN65DSI85-Q1 supports a pattern generation feature on LVDS Channels. This feature can be used to test the LVDS output path and LVDS panels in a system platform. The pattern generation feature can be enabled by setting the CHA_TEST_PATTERN bit at address 0x3C. No DSI data is received while the pattern generation feature is enabled.

There are three modes available for LVDS test pattern generation. The mode of test pattern generation is determined by register configuration as shown in the tables below.

Table 2. Test Pattern Generation

Test pattern generation mode Register configurations
Single LVDS configuration mode LVDS_LINK_CFG(CSR 0x18.4) = 1b
DSI_CH_MODE(CSR 0x10.6:5) = XXb
CHA_TEST_PATTERN(CSR 0x3C.4) = 1b
CHB_TEST_PATTERN(CSR 0x3C.0) = 0b
Dual LVDS configuration mode LVDS_LINK_CFG(CSR 0x18.4) = 0b
DSI_CH_MODE(CSR 0x10.6:5) = 0Xb
CHA_TEST_PATTERN(CSR 0x3C.4) = 1b
CHB_TEST_PATTERN(CSR 0x3C.0) = 0b
Two independent LVDS configuration mode LVDS_LINK_CFG(CSR 0x18.4) = 0b
DSI_CH_MODE(CSR 0x10.6:5) = 10b
CHA_TEST_PATTERN(CSR 0x3C.4) = 1b
CHB_TEST_PATTERN(CSR 0x3C.0) = 1b

The Table 3 and Table 4 list video registers that must be configured for test pattern generation video parameters.

  1. Single LVDS configuration

    2. Table 3. Video Registers

    ADDRESS BIT REGISTER NAME SECTION
    0x20.7:0 CHA_ACTIVE_LINE_LENGTH_LOW Video Registers
    0x21.3:0 CHA_ACTIVE_LINE_LENGTH_HIGH
    0x24.7:0 CHA_VERTICAL_DISPLAY_SIZE_LOW
    0x25.3:0 CHA_VERTICAL_DISPLAY_SIZE_HIGH
    0x2C.7:0 CHA_HSYNC_PULSE_WIDTH_LOW
    0x2D.1:0 CHA_HSYNC_PULSE_WIDTH_HIGH
    0x30.7:0 CHA_VSYNC_PULSE_WIDTH_LOW
    0x31.1:0 CHA_VSYNC_PULSE_WIDTH_HIGH
    0x34.7:0 CHA_HORIZONTAL_BACK_PORCH
    0x36.7:0 CHA_VERTICAL_BACK_PORCH
    0x38.7:0 CHA_HORIZONTAL_FRONT_PORCH
    0x3A.7:0 CHA_VERTICAL_FRONT_PORCH
  2. Dual LVDS configuration
    • Same set of video registers are used as in single LVDS configuration.
  3. Two independent LVDS configuration mode.

    4. Both Channel A and Channel B register parameters need to be configured.

    Table 4. Channel A and B Registers

    ADDRESS BIT REGISTER NAME SECTION
    Channel A
    0x20.7:0 CHA_ACTIVE_LINE_LENGTH_LOW Video Registers
    0x21.3:0 CHA_ACTIVE_LINE_LENGTH_HIGH
    0x24.7:0 CHA_VERTICAL_DISPLAY_SIZE_LOW
    0x25.3:0 CHA_VERTICAL_DISPLAY_SIZE_HIGH
    0x2C.7:0 CHA_HSYNC_PULSE_WIDTH_LOW
    0x2D.1:0 CHA_HSYNC_PULSE_WIDTH_HIGH
    0x30.7:0 CHA_VSYNC_PULSE_WIDTH_LOW
    0x31.1:0 CHA_VSYNC_PULSE_WIDTH_HIGH
    0x34.7:0 CHA_HORIZONTAL_BACK_PORCH
    0x36.7:0 CHA_VERTICAL_BACK_PORCH
    0x38.7:0 CHA_HORIZONTAL_FRONT_PORCH
    0x3A.7:0 CHA_VERTICAL_FRONT_PORCH
    Channel B
    0x22.7:0 CHB_ACTIVE_LINE_LENGTH_LOW Video Registers
    0x23.3:0 CHB_ACTIVE_LINE_LENGTH_HIGH
    0x26.7:0 CHB_VERTICAL_DISPLAY_SIZE_LOW
    0x27.3:0 CHB_VERTICAL_DISPLAY_SIZE_HIGH
    0x2E.7:0 CHB_HSYNC_PULSE_WIDTH_LOW
    0x2F.1:0 CHB_HSYNC_PULSE_WIDTH_HIGH
    0x32.7:0 CHB_VSYNC_PULSE_WIDTH_LOW
    0x33.1:0 CHB_VSYNC_PULSE_WIDTH_HIGH
    0x35.7:0 CHB_HORIZONTAL_BACK_PORCH
    0x37.7:0 CHB_VERTICAL_BACK_PORCH
    0x39.7:0 CHB_HORIZONTAL_FRONT_PORCH
    0x3B.7:0 CHB_VERTICAL_FRONT_PORCH
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