TUSB8040PFP

USB 3.0四端口集线器 USB 3.0 Four Port Hub

Introduction

The TUSB8040 is USB 3.0 compliant hub available in an 80-pin QFP package. The device is designed for operation over the commercial temperature range of 0°C to 70°C.

Features

• USB 3.0 Compliant Four Port Hub, D# 330000003

   – Upstream Port Supports SuperSpeed, High-Speed and Full-Speed Connections

   – Each of the Four Downstream Ports Support SuperSpeed, High-Speed, Full-Speed/Low-Speed Connections

• USB 2.0 Hub Features

   – Multi Transaction Translator MTT Hub: Four Transaction Translators, One Per Port

   – Four Over USB Required Minimum of Two Asynchronous Endpoint Buffers Per Transaction Translator for Better Throughput

• Supports Charging Downstream Port CDP Applications

   – Battery Charging 1.2 Compliant

• Supports Operation as a USB 3.0 or USB 2.0 Compound Device

• Supports Per Port or Ganged Power Switching and Over-Current Protection

• Provides the following status outputs:

   – High-Speed Upstream Connection

   – High-Speed Upstream Port Suspended

   – SuperSpeed Upstream Connection

   – SuperSpeed Upstream Port Suspended

• Optional Serial EEPROM or SMBus Slave Interface for Custom Configurations:

   – VID/PID

   – Manufacturer and Product Strings

   – Serial Number

• Using Pin Selection or the EEPROM/SMBus Slave Interface, Each Downstream Port Can Be Independently:

   – Enabled or Disabled

   – Marked as Removable or Permanently Attached for Compound Applications

   – Have Battery Charging Enabled or Disabled

• Provides 128-Bit Universally Unique Identifier UUID

• Optionally Supports USB 2.0 Compliant Port Indicator LEDs

• Configurable SMBus Address to Support Multiple Devices on the Same SMBus Segment

• Supports On-Board and In-System EEPROM Programming Via the USB 2.0 Upstream Port

• Single Clock Input, 24-MHz Crystal or Oscillator

• No Special Driver Requirements; Works Seamlessly With Any Operating System With USB Stack Support