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Texas Instruments TUSB8020B 双端口 USB 3.0 集线器

德州仪器 TUSB8020B 双端口 USB 3.0 集线器在上行端口提供超速 USB 和高速/全速并行连接，在下行端口提供超速 USB、高速、全速、或低速连接。当上行端口连接到仅支持高速或全速/低速连接的电气环境时，超速 USB 连接性在下行端口上被禁用。当上行端口连接到仅支持全速/低速连接的电气环境时，超速 USB 和高速连接性在下行端口上被禁用。TUSB8020B 支持单端口或组合功率转换和过流保护。

特性

  • Two-Port USB 3.0 Compliant Hub
  • USB 2.0 Hub Features
    • Multi-Transaction Translator (MTT) Hub: Two Transaction Translators
    • Four Asynchronous Endpoint Buffers Per Transaction Translator
  • Supports Battery Charging
    • CDP Mode (Upstream Port Connected)
    • DCP Mode (Upstream Port Unconnected)
    • DCP Mode Complies With Chinese Telecommunications Industry Standard YD/T 1591-2009
  • Support D+/D- Divider Mode
  • Supports Operation as a USB 3.0 or USB 2.0 Compound Device
  • Per Port or Ganged Power Switching and Overcurrent Notification Inputs
  • OTP ROM, Serial EEPROM, or I2C/SMBus Slave Interface for Custom Configurations
    • VID and PID
    • Port Customizations
    • Manufacturer and Product Strings (not by OTP ROM)
    • Serial Number (not by OTP ROM)
  • Application Feature Selection Using Terminal Selection or EEPROM/ or I2C/SMBus Slave Interface
  • Provides 128-Bit Universally Unique Identifier (UUID)
  • Supports On-Board and In-System OTP/EEPROM Programming Through the USB 2.0 Upstream Port
  • Single Clock Input, 24-MHz Crystal or Oscillator
  • No Special Driver Requirements; Works Seamlessly on any Operating System With USB Stack Support
  • 48-Pin HTQFP Package (PHP)

应用

  • Computer Systems
  • Docking Stations
  • Monitors
  • Set-Top Boxes

Datasheets

Associated Tools

Functional Block Diagram.

框图 - Texas Instruments TUSB8020B 双端口 USB 3.0 集线器
发布日期: 2014-11-05 | 更新日期: 2024-11-07