ZHCSFY1F December   2016  – April 2024 TDP158

PRODUCTION DATA  

  1.   1
  2. 1 特性
  3. 2 应用
  4. 3 说明
  5. 4 Pin Configuration and Functions
  6. 5 Specifications
    1. 5.1  Absolute Maximum Ratings
    2. 5.2  ESD Ratings
    3. 5.3  Recommended Operating Conditions
    4. 5.4  Thermal Information
    5. 5.5  Electrical Characteristics, Power Supply
    6. 5.6  Electrical Characteristics, Differential Input
    7. 5.7  Electrical Characteristics, TMDS Differential Output
    8. 5.8  Electrical Characteristics, DDC, I2C, HPD, and ARC
    9. 5.9  Electrical Characteristics, TMDS Differential Output in DP-Mode
    10. 5.10 Switching Characteristics, TMDS
    11. 5.11 Switching Characteristics, HPD
    12. 5.12 Switching Characteristics, DDC and I2C
    13. 5.13 Typical Characteristics
  7. 6 Parameter Measurement Information
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1  Reset Implementation
      2. 7.3.2  Operation Timing
      3. 7.3.3  Lane Control
      4. 7.3.4  Swap
      5. 7.3.5  Main Link Inputs
      6. 7.3.6  Receiver Equalizer
      7. 7.3.7  Input Signal Detect Block
      8. 7.3.8  Transmitter Impedance Control
      9. 7.3.9  TMDS Outputs
      10. 7.3.10 Slew Rate Control
      11. 7.3.11 Pre-Emphasis
      12. 7.3.12 DP-Mode Description
    4. 7.4 Device Functional Modes
      1. 7.4.1 DDC Training for HDMI 2.0 Data Rate Monitor
      2. 7.4.2 DDC Functional Description
    5. 7.5 Register Maps
      1. 7.5.1  Local I2C Control BIT Access TAG Convention
      2. 7.5.2  BIT Access Tag Conventions
      3. 7.5.3  CSR Bit Field Definitions, DEVICE_ID (address = 00h≅07h)
      4. 7.5.4  CSR Bit Field Definitions, REV_ID (address = 08h )
      5. 7.5.5  CSR Bit Field Definitions – MISC CONTROL 09h (address = 09h)
      6. 7.5.6  CSR Bit Field Definitions – MISC CONTROL 0Ah (address = 0Ah)
      7. 7.5.7  CSR Bit Field Definitions – MISC CONTROL 0Bh (address = 0Bh)
      8. 7.5.8  CSR Bit Field Definitions – MISC CONTROL 0Ch (address = 0Ch)
      9. 7.5.9  CSR Bit Field Definitions, Equalization Control Register (address = 0Dh)
      10. 7.5.10 CSR Bit Field Definitions, POWER MODE STATUS (address = 20h)
      11. 7.5.11 CSR Bit Field Definitions, DP-Mode and INDIVIDUAL LANE CONTROL (address = 30h)
      12. 7.5.12 CSR Bit Field Definitions, DP-Mode and INDIVIDUAL LANE CONTROL (address = 31h)
      13. 7.5.13 CSR Bit Field Definitions, DP-Mode and INDIVIDUAL LANE CONTROL (address = 32h)
      14. 7.5.14 CSR Bit Field Definitions, DP-Mode and INDIVIDUAL LANE CONTROL (address = 33h)
      15. 7.5.15 CSR Bit Field Definitions, DP-Mode and INDIVIDUAL LANE CONTROL (address = 34h)
      16. 7.5.16 CSR Bit Field Definitions, DP-Mode and INDIVIDUAL LANE CONTROL (address = 35h)
      17. 7.5.17 CSR Bit Field Definitions, DP-Mode and INDIVIDUAL LANE CONTROL (address = 4Dh)
      18. 7.5.18 CSR Bit Field Definitions, DP-Mode and INDIVIDUAL LANE CONTROL (address = 4Eh)
      19. 7.5.19 CSR Bit Field Definitions, DP-Mode and INDIVIDUAL LANE CONTROL (address = 4Fh)
  9. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
        1. 8.2.2.1 Source Side
        2. 8.2.2.2 DDC Pull Up Resistors
      3. 8.2.3 Application Curves
      4. 8.2.4 Application with DDC Snoop
        1. 8.2.4.1 Source Side HDMI Application
      5. 8.2.5 9.1.2 Source Side HDMI /DP Application Using DP-Mode
    3. 8.3 Power Supply Recommendations
      1. 8.3.1 Power Management
      2. 8.3.2 Standby Power
    4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
      2. 8.4.2 Layout Example
  10. 9 Device and Documentation Support
    1. 9.1 Documentation Support
      1. 9.1.1 Related Documentation
    2. 9.2 接收文档更新通知
    3. 9.3 支持资源
    4. 9.4 Trademarks
    5. 9.5 静电放电警告
    6. 9.6 术语表
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information

7.3.3 Lane Control

The TDP158 has various lane control features. By default the high speed lanes are globally controlled. Pin strapping can globally control features like receiver equalization, VOD swing and pre-emphasis. I2C programming performs the same global programming using default configurations. Through I2C a method to control receive equalization, transmitter swing (VOD) and pre-emphasis on each individual lane. Setting reg09h[5] = 1 puts the device into independent lane configuration mode.

Reg31h[7:3] controls the clock lane, reg32h[7:3] controls lane D0, reg33h[7:3] controls lane D1 and reg34h[7:3] controls lane D2 while Reg4E and Reg4F control the individual lane EQ control.

Note: If the swap function is enabled and individual lane control has been implemented, then it is recommended to reprogram the lanes to ensure they match the expected results. Registers are mapped to the pin name convention.
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