SLLSET2 August   2017 TUSB8042

PRODUCTION DATA.  

1. 1 Features
2. 2 Applications
3. 3 Description
4. 4 Revision History
5. 5 Description (Continued)
6. 6 Pin Configuration and Functions
7. 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, 3.3-V I/O
   6. 7.6 Timing Requirements, Power-Up
   7. 7.7 Hub Input Supply Current
8. 8 Detailed Description
   1. 8.1 Overview
   2. 8.2 Functional Block Diagram
   3. 8.3 Feature Description
      1. 8.3.1 Battery Charging Features
      2. 8.3.2 USB Power Management
      3. 8.3.3 One Time Programmable (OTP) Configuration
      4. 8.3.4 Clock Generation
      5. 8.3.5 Crystal Requirements
      6. 8.3.6 Input Clock Requirements
      7. 8.3.7 Power-Up and Reset
   4. 8.4 Device Functional Modes
      1. 8.4.1 External Configuration Interface
      2. 8.4.2 I2C EEPROM Operation
      3. 8.4.3 Port Configuration
      4. 8.4.4 SMBus Slave Operation
   5. 8.5 Register Maps
      1. 8.5.1  Configuration Registers
      2. 8.5.2  ROM Signature Register
      3. 8.5.3  Vendor ID LSB Register
      4. 8.5.4  Vendor ID MSB Register
      5. 8.5.5  Product ID LSB Register
      6. 8.5.6  Product ID MSB Register
      7. 8.5.7  Device Configuration Register
      8. 8.5.8  Battery Charging Support Register
      9. 8.5.9  Device Removable Configuration Register
      10. 8.5.10 Port Used Configuration Register
      11. 8.5.11 Device Configuration Register 2
      12. 8.5.12 USB 2.0 Port Polarity Control Register
      13. 8.5.13 UUID Registers
      14. 8.5.14 Language ID LSB Register
      15. 8.5.15 Language ID MSB Register
      16. 8.5.16 Serial Number String Length Register
      17. 8.5.17 Manufacturer String Length Register
      18. 8.5.18 Product String Length Register
      19. 8.5.19 Device Configuration Register 3
      20. 8.5.20 USB 2.0 Only Port Register
      21. 8.5.21 Serial Number String Registers
      22. 8.5.22 Manufacturer String Registers
      23. 8.5.23 Product String Registers
      24. 8.5.24 Additional Feature Configuration Register
      25. 8.5.25 SMBus Device Status and Command Register
9. 9 Applications and Implementation
   1. 9.1 Application Information
   2. 9.2 Typical Application
      1. 9.2.1 Discrete USB Hub Product
         1. 9.2.1.1 Design Requirements
         2. 9.2.1.2 Detailed Design Procedure
            1. 9.2.1.2.1 Upstream Port Implementation
            2. 9.2.1.2.2 Downstream Port 1 Implementation
            3. 9.2.1.2.3 Downstream Port 2 Implementation
            4. 9.2.1.2.4 Downstream Port 3 Implementation
            5. 9.2.1.2.5 Downstream Port 4 Implementation
            6. 9.2.1.2.6 VBUS Power Switch Implementation
            7. 9.2.1.2.7 Clock, Reset, and Misc
            8. 9.2.1.2.8 TUSB8042 Power Implementation
         3. 9.2.1.3 Application Curves
10. 10Power Supply Recommendations
    1. 10.1 TUSB8042 Power Supply
    2. 10.2 Downstream Port Power
    3. 10.3 Ground
11. 11Layout
    1. 11.1 Layout Guidelines
       1. 11.1.1 Placement
       2. 11.1.2 Package Specific
       3. 11.1.3 Differential Pairs
    2. 11.2 Layout Examples
       1. 11.2.1 Upstream Port
       2. 11.2.2 Downstream Port
12. 12Device and Documentation Support
    1. 12.1 Receiving Notification of Documentation Updates
    2. 12.2 Community Resources
    3. 12.3 Trademarks
    4. 12.4 Electrostatic Discharge Caution
    5. 12.5 Glossary
13. 13Mechanical, Packaging, and Orderable Information