Computer Interfacing
Universal Serial Bus (USB)
,Introduction
• USB is a technology for interfacing computer peripherals
• USB is dominant nowadays and almost the most popular method o
interfacing PC peripherals
• USB provides a set of features that make it popular and easy to use
,Introduction
• End users of USB peripherals enjoy the following benefits:
• Easy plug/unplug using a simple and small cable
• Hot swappable
• Plug & Play operation
• Fast performance
• Bus-powered peripherals for least amount of cables
, Introduction
• USB specifications
• 3 Different speeds:
• 1.5 Mbps
• 12 Mbps
• 480 Mbps
• Serial bus
• Asynchronous bus
• Bus powered
Universal Serial Bus (USB)
,Introduction
• USB is a technology for interfacing computer peripherals
• USB is dominant nowadays and almost the most popular method o
interfacing PC peripherals
• USB provides a set of features that make it popular and easy to use
,Introduction
• End users of USB peripherals enjoy the following benefits:
• Easy plug/unplug using a simple and small cable
• Hot swappable
• Plug & Play operation
• Fast performance
• Bus-powered peripherals for least amount of cables
, Introduction
• USB specifications
• 3 Different speeds:
• 1.5 Mbps
• 12 Mbps
• 480 Mbps
• Serial bus
• Asynchronous bus
• Bus powered