usb spec v2.0

youshenglin

Contents
CHAPTER 1 INTRODUCTION
1.1 Motivation ............................................................................................................................................. 1
1.2 Objective of the Specification ............................................................................................................... 1
1.3 Scope of the Document .......................................................................................................................... 2
1.4 USB Product Compliance ..................................................................................................................... 2
1.5 Document Organization ........................................................................................................................ 2
CHAPTER 2 TERMS AND ABBREVIATIONS
CHAPTER 3 BACKGROUND
3.1 Goals for the Universal Serial Bus ..................................................................................................... 11
3.2 Taxonomy of Application Space......................................................................................................... 12
3.3 Feature List ......................................................................................................................................... 13
CHAPTER 4 ARCHITECTURAL OVERVIEW
4.1 USB System Description ..................................................................................................................... 15
4.1.1 Bus Topology ................................................................................................................................ 16
4.2 Physical Interface ............................................................................................................................... 17
4.2.1 Electrical........................................................................................................................................ 17
4.2.2 Mechanical .................................................................................................................................... 18
4.3 Power ................................................................................................................................................... 18
4.3.1 Power Distribution ......................................................................................................................... 18
4.3.2 Power Management ........................................................................................................................ 18
4.4 Bus Protocol ........................................................................................................................................ 18
4.5 Robustness........................................................................................................................................... 19
4.5.1 Error Detection ............................................................................................................................... 19
4.5.2 Error Handling............................................................................................................................... 19
4.6 System Configuration......................................................................................................................... 19
4.6.1 Attachment of USB Devices........................................................................................................... 20
4.6.2 Removal of USB Devices............................................................................................................... 20
4.6.3 Bus Enumeration ............................................................................................................................ 20
【文件名】:0691@52RD_usb spec v2.0.part1.rar
【格　式】:rar
【大　小】:3145K
【简　介】:
【目　录】:

youshenglin

【文件名】:0691@52RD_usb spec v2.0.part2.rar
【格　式】:rar
【大　小】:2465K
【简　介】:
【目　录】:

ivyli

没有RD币了怎么办啊
[em13]

hunwg6

确实想弄清楚该问题，我在这方面走了许多弯路。

粟米米

怎么挣钱？？

yangmtk

回帖挣钱[em01][em01]

yangmtk

却是比较黑，要钱 太多