By Davy Yoshida, Fujitsu Microelectronics America
Embedded.com (09/25/09, 09:39:00 AM EDT)
USB 3.0 is ready to bring a fundamental shift to the PC and storage markets, and a significant group of established industry leaders are moving quickly to realize these changes. USB 3.0 delivers a new level of performance without changing the USB connector's form factor and with full backward compatibility in all other respects. In addition to meeting storage requirements, USB 3.0 is suited for a wide range of connectivity applications. Also known as SuperSpeed USB, USB 3.0 delivers several enhancements:
- Increased bandwidth—up to 5 Gbits/s full duplex (compared to 480 Mbits/s simplex for USB 2.0)
- Better power management
- Ability of the host to deliver more power to devices, enabling applications such as USB-rechargeable batteries, LED lighting, etc.
- Ability of the host to identify devices faster
- New protocols that make data handling more efficient
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