ZHCSBP5C september   2013  – october 2020 SN65DSI86

PRODUCTION DATA  

  1.   1
  2. 1 特性
  3. 2 应用
  4. 3 说明
  5. 4 Revision History
  6. 5 Description (continued)
  7. 6 Pin Configuration and Functions
  8. 7 Specifications
    1. 7.1 Absolute Maximum Ratings
    2. 7.2 ESD Ratings
    3. 7.3 Recommended Operating Conditions
    4. 7.4 Thermal Information
    5. 7.5 Electrical Characteristics
    6. 7.6 Timing Requirements
    7. 7.7 Switching Characteristics
  9. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 MIPI Dual DSI Interface
      2. 8.3.2 Embedded DisplayPort Interface
      3. 8.3.3 General-Purpose Input and Outputs
        1. 8.3.3.1 GPIO REFCLK and DSIA Clock Selection
        2. 8.3.3.2 Suspend Mode
        3. 8.3.3.3 Pulse Width Modulation (PWM)
    4. 8.4 Device Functional Modes
      1. 8.4.1 Reset Implementation
      2. 8.4.2 Power-Up Sequence
      3. 8.4.3 Power Down Sequence
      4. 8.4.4 Display Serial Interface (DSI)
        1. 8.4.4.1 DSI Lane Merging
        2. 8.4.4.2 DSI Supported Data Types
        3. 8.4.4.3 Generic Request Datatypes
          1. 8.4.4.3.1 Generic Read Request 2-Parameters Request
          2. 8.4.4.3.2 Generic Short Write 2-Parameters Request
          3. 8.4.4.3.3 Generic Long Write Packet Request
        4. 8.4.4.4 DSI Pixel Stream Packets
        5. 8.4.4.5 DSI Video Transmission Specifications
        6. 8.4.4.6 Video Format Parameters
        7. 8.4.4.7 GPU LP-TX Clock Requirements
      5. 8.4.5 DisplayPort
        1. 8.4.5.1  HPD (Hot Plug/Unplug Detection)
        2. 8.4.5.2  AUX_CH
          1. 8.4.5.2.1 Native Aux Transactions
        3. 8.4.5.3  I2C-Over-AUX
          1. 8.4.5.3.1 Direct Method (Clock Stretching)
          2. 8.4.5.3.2 Indirect Method (CFR Read/Write)
        4. 8.4.5.4  DisplayPort PLL
        5. 8.4.5.5  DP Output VOD and Pre-emphasis Settings
        6. 8.4.5.6  DP Main Link Configurability
        7. 8.4.5.7  DP Main Link Training
          1. 8.4.5.7.1 Manual Link Training
          2. 8.4.5.7.2 Fast Link Training
          3. 8.4.5.7.3 54
          4. 8.4.5.7.4 Semi-Auto Link Training
          5. 8.4.5.7.5 Redriver Semi-Auto Link Training
        8. 8.4.5.8  Panel Size vs DP Configuration
        9. 8.4.5.9  Panel Self Refresh (PSR)
        10. 8.4.5.10 Secondary Data Packet (SDP)
        11. 8.4.5.11 Color Bar Generator
        12. 8.4.5.12 DP Pattern
          1. 8.4.5.12.1 HBR2 Compliance Eye
          2. 8.4.5.12.2 80-Bit Custom Pattern
        13. 8.4.5.13 BPP Conversion
    5. 8.5 Programming
      1. 8.5.1 Local I2C Interface Overview
    6. 8.6 Register Map
      1. 8.6.1 Standard CFR Registers (PAGE 0)
  10. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 1080p (1920x1080 60 Hz) Panel
        1. 9.2.1.1 Design Requirements
        2. 9.2.1.2 Detailed Design Procedure
          1. 9.2.1.2.1 eDP Design Procedure
          2. 9.2.1.2.2 76
          3. 9.2.1.2.3 DSI Design Procedure
          4. 9.2.1.2.4 78
          5. 9.2.1.2.5 Example Script
        3. 9.2.1.3 Application Curve
  11. 10Power Supply Recommendations
    1. 10.1 VCC Power Supply
    2. 10.2 VCCA Power supply
    3. 10.3 VPLL and VCCIO Power Supplies
  12. 11Layout
    1. 11.1 Layout Guidelines
      1. 11.1.1 DSI Guidelines
      2. 11.1.2 eDP Guidelines
      3. 11.1.3 Ground
    2. 11.2 Layout Example
  13. 12Device and Documentation Support
    1. 12.1 Documentation Support
      1. 12.1.1 Related Documentation
    2. 12.2 Receiving Notification of Documentation Updates
    3. 12.3 Community Resources
    4. 12.4 Trademarks
  14. 13Mechanical, Packaging, and Orderable Information

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8.4.5.2 AUX_CH

The AUX_CH supported by the SN65DSI86 is a half-duplex, bidirectional, ac-coupled, doubly-terminated differential pair. Manchester-II coding is used as the channel coding for the AUX_CH and supports a datarate of 1 Mbps. Fast AUX (also known as FAUX) is not supported by the DSIx6. Over the AUX_CH, the DSIx6 will always transmit the most significant bit (MSB) first and the least significant bit (LSB) last. Bit 7 is the MSB and Bit 0 is the LSB.

The AUX_CH provides a side-band channel between the SN65DSI86 and the downstream eDP device. Through the AUX_CH, the following is some of the information which can be obtained from or provided to the downstream eDP device:

  1. eDP Downstream DPCD capabilities (number of lanes, datarate, display authenticate method, and so on)
  2. EDID information of display like native resolution (obtained by I2C over AUX transactions)
  3. Link training and status
  4. MCCS control
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