SLLSG07 March   2025 TUSB1044A

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  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
    6. 5.6 Timing Requirements
    7. 5.7 Switching Characteristics
    8. 5.8 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 USB 3.2
      2. 7.3.2 USB 3.2 x2 Description
      3. 7.3.3 DisplayPort
      4. 7.3.4 4-Level Inputs
      5. 7.3.5 Receiver Linear Equalization
    4. 7.4 Device Functional Modes
      1. 7.4.1 Device Configuration in GPIO Mode
      2. 7.4.2 Device Configuration in I2C Mode
      3. 7.4.3 DisplayPort Mode
      4. 7.4.4 Custom Alternate Mode
      5. 7.4.5 Linear EQ Configuration
      6. 7.4.6 Adjustable VOD Linear Range and DC Gain
      7. 7.4.7 USB3.1 Modes
    5. 7.5 Programming
      1. 7.5.1 Procedure to Write to TUSB1044A I2C Registers:
      2. 7.5.2 Procedure to Read the TUSB1044A I2C Registers:
      3. 7.5.3 Procedure to Set a Starting Sub-Address for I2C Reads:
  9. 8 Register Maps
    1. 8.1 TUSB1044A Registers
  10. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
      3. 9.2.3 ESD Protection
      4. 9.2.4 Application Curve
    3. 9.3 System Examples
      1. 9.3.1 USB 3.2 only (USB/DP Alternate Mode)
      2. 9.3.2 USB3.2 and 2 Lanes of DisplayPort
      3. 9.3.3 DisplayPort Only
      4. 9.3.4 USB 3.2 Only (USB/Custom Alternate Mode)
      5. 9.3.5 USB3.2 and 1 Lane of Custom Alt Mode
      6. 9.3.6 USB3.2 and 2 Lanes of Custom Alt Mode
      7. 9.3.7 USB3.2 and 4 Lanes of Custom Alt Mode
    4. 9.4 Power Supply Recommendations
    5. 9.5 Layout
      1. 9.5.1 Layout Guidelines
      2. 9.5.2 Layout Example
  11. 10Device and Documentation Support
    1. 10.1 Documentation Support
      1. 10.1.1 Related Documentation
    2. 10.2 Receiving Notification of Documentation Updates
    3. 10.3 Support Resources
    4. 10.4 Trademarks
    5. 10.5 Electrostatic Discharge Caution
    6. 10.6 Glossary
  12. 11Revision History
  13. 12Mechanical, Packaging, and Orderable Information

7.5.1 Procedure to Write to TUSB1044A I2C Registers:

  1. The controller initiates a write operation by generating a start condition (S), followed by the TUSB1044A 7-bit address and a zero-value W/R bit to indicate a write cycle .
  2. The TUSB1044A acknowledges the address cycle.
  3. The controller presents the sub-address (I2C register within TUSB1044A4) to be written, consisting of one byte of data, MSB-first.
  4. The TUSB1044A acknowledges the sub-address cycle.
  5. The controller presents the first byte of data to be written to the I2C register.
  6. The TUSB1044A acknowledges the byte transfer.
  7. The controller can continue to present additional bytes of data to be written, where each byte transfer is complete after an acknowledge from the TUSB1044A.
  8. The controller terminates the write operation by generating a stop condition (P).