ZHCSJZ0 June   2019 TUSB8042A

PRODUCTION DATA.  

  1. 特性
  2. 应用
  3. 说明
    1.    
  4. 修订历史记录
  5. 说明 (续)
  6. Pin Configuration and Functions
    1.     Pin Functions
  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
  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
        1. Table 6. Bit Descriptions – ROM Signature Register
      3. 8.5.3  Vendor ID LSB Register
        1. Table 7. Bit Descriptions – Vendor ID LSB Register
      4. 8.5.4  Vendor ID MSB Register
        1. Table 8. Bit Descriptions – Vendor ID MSB Register
      5. 8.5.5  Product ID LSB Register
        1. Table 9. Bit Descriptions – Product ID LSB Register
      6. 8.5.6  Product ID MSB Register
        1. Table 10. Bit Descriptions – Product ID MSB Register
      7. 8.5.7  Device Configuration Register
        1. Table 11. Bit Descriptions – Device Configuration Register
      8. 8.5.8  Battery Charging Support Register
        1. Table 12. Bit Descriptions – Battery Charging Support Register
      9. 8.5.9  Device Removable Configuration Register
        1. Table 13. Bit Descriptions – Device Removable Configuration Register
      10. 8.5.10 Port Used Configuration Register
        1. Table 14. Bit Descriptions – Port Used Configuration Register
      11. 8.5.11 Device Configuration Register 2
        1. Table 15. Bit Descriptions – Device Configuration Register 2
      12. 8.5.12 USB 2.0 Port Polarity Control Register
        1. Table 16. Bit Descriptions – USB 2.0 Port Polarity Control Register
      13. 8.5.13 UUID Registers
        1. Table 17. Bit Descriptions – UUID Byte N Register
      14. 8.5.14 Language ID LSB Register
        1. Table 18. Bit Descriptions – Language ID LSB Register
      15. 8.5.15 Language ID MSB Register
        1. Table 19. Bit Descriptions – Language ID MSB Register
      16. 8.5.16 Serial Number String Length Register
        1. Table 20. Bit Descriptions – Serial Number String Length Register
      17. 8.5.17 Manufacturer String Length Register
        1. Table 21. Bit Descriptions – Manufacturer String Length Register
      18. 8.5.18 Product String Length Register
        1. Table 22. Bit Descriptions – Product String Length Register
      19. 8.5.19 Device Configuration Register 3
        1. Table 23. Bit Descriptions – Device Configuration Register 3
      20. 8.5.20 USB 2.0 Only Port Register
        1. Table 24. Bit Descriptions – USB 2.0 Only Port Register
      21. 8.5.21 Serial Number String Registers
        1. Table 25. Bit Descriptions – Serial Number Registers
      22. 8.5.22 Manufacturer String Registers
        1. Table 26. Bit Descriptions – Manufacturer String Registers
      23. 8.5.23 Product String Registers
        1. Table 27. Bit Descriptions – Product String Byte N Register
      24. 8.5.24 Additional Feature Configuration Register
        1. Table 28. Bit Descriptions – Additional Feature Configuration Register
      25. 8.5.25 SMBus Device Status and Command Register
        1. Table 29. Bit Descriptions – SMBus Device Status and Command Register
  9. Application 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 TUSB8042A Power Implementation
        3. 9.2.1.3 Application Curves
  10. 10Power Supply Recommendations
    1. 10.1 TUSB8042A 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. 12器件和文档支持
    1. 12.1 接收文档更新通知
    2. 12.2 社区资源
    3. 12.3 商标
    4. 12.4 静电放电警告
    5. 12.5 Glossary
  13. 13机械、封装和可订购信息

封装选项

机械数据 (封装 | 引脚)
散热焊盘机械数据 (封装 | 引脚)
订购信息

特性

  • 四端口 USB 3.2 x1 Gen1 (5Gbps) 集线器
  • USB 2.0 集线器 特性
    • 多个转发器 (MTT) 集线器:四个转发器
    • 每个转发器具有两个异步端点缓冲器
  • 支持电池充电:
    • 在未连接或未配置上行端口的情况下,可支持 D+/D- 分频器充电端口(ACP1、ACP2 和 ACP3)
    • 在未连接上行端口的情况下,可支持自动模式以在 DCP 或 ACP 模式之间进行切换
    • 支持 galaxy 充电
    • CDP 模式(上行端口已连接)
    • DCP 模式(上行端口未连接)
    • DCP 模式符合中国电信行业标准 YD/T 1591-2009
  • 支持作为一个 USB 3.2 第 1 代或者 USB 2.0 复合设备运行
  • 支持每端口或成组电源开关以及过流通知输入
  • 支持四个外部下行端口
  • 支持读取和写入 I2C 的供应商请求,并且在 100k
  • I2C 主机支持时钟扩展
  • OTP ROM、串行 EEPROM 或 I2C/SMBus 从机接口可实现定制配置:
    • VID 和 PID
    • 端口定制
    • 制造商和米6体育平台手机版_好二三四字符串(非通过 OTP ROM)
    • 序列号(非通过 OTP ROM)
  • 可使用引脚选择、EEPROM 或 I2C/SMBus 从设备接口选择应用特性
  • 提供 128 位通用唯一标识符 (UUID)
  • 单个时钟输入、24MHz 晶体或晶振
  • 仅可对 USB2.0 下行端口进行配置
  • 64 引脚 QFN 封装 (RGC)