TUSB8040
- USB 3.0 Compliant Four Port Hub, TID# 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
- Upstream Port Supports SuperSpeed, High-Speed
- 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
- Multi Transaction Translator (MTT) Hub:
- 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 - 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
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.
The TUSB8040 provides simultaneous SuperSpeed and high-speed/full-speed connections on the upstream port and provides SuperSpeed, high-speed, full-speed, or low-speed connections on the downstream ports. When the upstream port is connected to an electrical environment that only supports high-speed or full-speed/low-speed connections, SuperSpeed connectivity is disabled on the downstream ports. When the upstream port is connected to an electrical environment that only supports full-speed/lowspeed connections, SuperSpeed and high-speed connectivity are disabled on the downstream ports.
The TUSB8040 supports up to four downstream ports. It may be configured to report one to four downstream ports by pin selection or an attached EEPROM or SMBus controller. The configuration options provide the ability to scale the device by application.
技术文档
| 类型 | 标题 | 下载最新的英语版本 | 日期 | |||
|---|---|---|---|---|---|---|
| * | 数据表 | TUSB8040 USB 3.0 Four Port Hub 数据表 (Rev. I) | 2013年 9月 27日 | |||
| * | 勘误表 | TUSB8040 Errata (Rev. F) | 2012年 10月 1日 | |||
| 设计指南 | TUSB8040 Design Guide (Rev. C) | 2011年 7月 20日 |
设计和开发
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