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USB 3.0: An Introduction for Embedded Software Developers

USB 3.0: An Introduction for Embedded Software Developers . Colin Walls colin_walls@mentor.com. Agenda. Introduction USB Basics USB in Embedded Systems Introduction to USB 3.0 USB Challenges Conclusions. USB is a Good Thing. U. S. B. What is USB?.

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USB 3.0: An Introduction for Embedded Software Developers

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  1. USB 3.0:An Introduction for Embedded Software Developers Colin Walls colin_walls@mentor.com

  2. Agenda Introduction USB Basics USB in Embedded Systems Introduction to USB 3.0 USB Challenges Conclusions

  3. USB is a Good Thing U S B

  4. What is USB? • Alternative to old-fashioned serial and parallel interfaces • Minimises number of PC connectors • Simplifies I/O and offers true plug-n-play • Supports up to 127 devices • Multiple data rates • USB 1.1: full speed [12Mb/s] and low speed [1.5Mb/s] • USB 2.0: high speed [480Mb/s] • USB 3.0: SuperSpeed [5Gb/s]

  5. Agenda Introduction USB Basics USB in Embedded Systems Introduction to USB 3.0 USB Challenges Conclusions

  6. Three types of USB device Host Peripheral On-The-Go (OTG) USB Technology Overview Std-B Hub Std-A Std-A Mini-B Std-A

  7. Typical Peripheral Applications Low Speed (LS) Full Speed (FS) Hi-Speed (HS) Modems Digital Cameras Printers Scanners Microphones Mice Keyboards Joysticks Gamepads Mass Storage Broadband Home Networking Residential Gateways Digital Video/Audio

  8. USB Topology HostRoot Hub Hub1 Hub2 Peripheral Peripheral Hub3 Hub4 Peripheral Peripheral Peripheral Peripheral Peripheral

  9. Mentor Embedded • To see the full presentation, including Nucleus USB function class drivers, creating USB peripherals and USB 3, visit Mentor Embedded.

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