Document Library

LEGAL DISCLAIMER
THESE SPECIFICATIONS ARE PROVIDED “AS IS” AND WITHOUT ANY WARRANTY OF ANY KIND, EXPRESSED OR IMPLIED. WITHOUT LIMITATION, THERE IS NO WARRANTY OF NON-INFRINGEMENT, NO WARRANTY OF MERCHANTABILITY, AND NO WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE. ALL WARRANTIES ARE EXPRESSLY DISCLAIMED. USER ASSUMES THE FULL RISK OF USING THESE SPECIFICATIONS. IN NO EVENT SHALL USB-IF OR THE USB 3.0 PROMOTERS BE LIABLE FOR ANY ACTUAL, DIRECT, INDIRECT, PUNITIVE, OR CONSEQUENTIAL DAMAGES ARISING FROM SUCH USE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
Title Category Type Technology Date
crcdes.pdf0 bytesCyclic Redundancy Checks in USB
  • Cyclic Redundancy Checks in USB
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White Paper
alsbuf.pdf0 bytesDesign Guide for a low speed buffer for USB
  • Design Guide for a low speed buffer for USB
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White Paper
siewp.pdf0 bytesDesigning a Robust USB Serial Interface Engine (SIE)
  • Designing a Robust USB Serial Interface Engine (SIE)
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White Paper
irp_mn.pdf0 bytesHandling The IRP_MN_START_DEVICE PnP IRP v.1.0
  • Handling The IRP_MN_START_DEVICE PnP IRP v.1.0
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White Paper
hidpar.pdf0 bytesHID Parser Error Checking
  • HID Parser Error Checking
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White Paper
remedia_vs_direct.pdf0 bytesOn-Board USB connections for Digital Media Devices vs. Removable Media and Readers
  • On-Board USB connections for Digital Media Devices vs. Removable Media and Readers
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White Paper
stif.pdf0 bytesSystem Test Implementers Forum
  • System Test Implementers Forum
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White Paper
wdm_pm11.pdf0 bytesUnderstanding WDM Power Management v1.1
  • Understanding WDM Power Management v1.1
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White Paper
white-4c.pdf0 bytesUSB - APM Interactions
  • USB - APM Interactions
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White Paper
bwpaper2.pdf0 bytesUSB Bandwidth Analysis
  • USB Bandwidth Analysis
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White Paper
usblat3.pdf0 bytesUSB Latency Requirements and the Effect of Video Adapter PCI Retry Condition on Maintaining USB Streaming Pipelines
  • USB Latency Requirements and the Effect of Video Adapter PCI Retry Condition on Maintaining USB Streaming Pipelines
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White Paper
iadclasscode_r10.pdf0 bytesUSB Interface Association Descriptor Device Class Code and Use Model
  • USB Interface Association Descriptor Device Class Code and Use Model
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White Paper
Isolation_Electromagnetic_Compatibility_1_0.pdf0 bytesElectrical Isolation and Improved Electromagnetic Compatibility for Personal Healthcare Devices using USB
  • Electrical Isolation and Improved Electromagnetic Compatibility for Personal Healthcare Devices using USB
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White Paper
WUSB_host_connection_context_v1.0.pdf0 bytesA Standard for Host-Side Certified Wireless USB Connection Context Storage on Windows Operating Systems
  • A Standard for Host-Side Certified Wireless USB Connection Context Storage on Windows Operating Systems
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White Paper
USB_PS_Interface_V1_00_20140414.pdf0 bytesUSB PS Interface White Paper
  • USB PS Interface White Paper
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White Paper
usb_20g.pdf0 bytesAn Introduction to Hi-Speed USB
  • An Introduction to Hi-Speed USB
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White Paper
USB 2_0 Adopters Agreement - PDF Submission Update 20230216.pdf158.32 KBUSB 2.0 Adopters Agreement
  • USB 2.0 Adopters Agreement
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Legal USB 2.0
USB_OTG_v2.0_Amendment_final_052609.pdf0 bytesUSB 2.0 On-The-Go Specification Supplement Adopters Agreement
  • USB 2.0 On-The-Go Specification Supplement Adopters Agreement
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Legal
USB_Low_Voltage_InterChip_Amendment_final_20060320.pdf0 bytesLow Voltage Inter-Chip Adopters Agreement Amendment
  • Low Voltage Inter-Chip Adopters Agreement Amendment
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Legal
High_Speed_Inter-Chip_Amendment_20230224.pdf114.04 KBHigh-Speed Inter-Chip Adopters Agreement Amendment
  • High-Speed Inter-Chip Adopters Agreement Amendment
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Legal
USB 3_0 Adopters Agreement PDF Submission Update 20230219_0.pdf188.74 KBUSB 3.0 Adopters Agreement
  • USB 3.0 Adopters Agreement
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Legal USB 3.2, USB Type-C
hidpar.pdf89.52 KBHID Parser Error Checking
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White Paper
usbmon10.pdf404.94 KBMonitor Control Class 1.0
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Specification
USB_TCPCI_R2_V1p3_30122_CLEAN.pdf4.02 MBUSB Type-C® Port Controller Interface Specification
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Specification USB Type-C
pd_fw_update_specification_rev_1_0_20160915b.pdf1.9 MBUSB Power Delivery Firmware Update Specification
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Specification USB Power Delivery
USB_Upstream_Facing_Port_Powered_Hub_White_Paper_0.9.pdf272.16 KBUSB Upstream Facing Port Powered Hub White Paper
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White Paper USB 2.0, USB 3.2, USB Type-C
TechGuide_xHCI_SSUSB_PDK_Ver2.1.pdf0 bytesUSB 3.1 Peripheral Development Kit:
USB 3.1 xHCI-based Certification Platform
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Tools USB 3.2
USB-IF Duty of Care_1.pdf92.26 KBUSB-IF Duty of Care
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USB3CV 2.1.13.2 Installer - x64 Release.exe30.33 MBUSB3CV 2.1.13.2 Installer - x64 Release
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usbwire.pdf22.37 KBAn Analysis of Wireless Device Implementations on Universal Serial Bus
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White Paper
D2T2-2 - USB4 Cable and System.pdf1.64 MBUSB4(TM) Cable Electricals and System Design
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Presentations USB Type-C, USB4
usb_32_202206_0.zip23.84 MBUSB 3.2 Revision 1.1 - June 2022
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Specification Base Specification USB 3.2
usb_20_20250603.zip13.82 MBUSB 2.0 Specification
  1. The Original USB 2.0 specification released on April 27, 2000
  2. USB 2.0 Adopters Agreement
  3. Errata to the USB 2.0 specification as of December 7, 2000
  4. Mini-B connector Engineering Change Notice to the USB 2.0 specification
  5. Pull-up/pull-down Resistors Engineering Change Notice to the USB 2.0 specification
  6. Errata to the USB 2.0 specification as of May 28, 2002
  7. Interface Association Descriptor Engineering Change Notice to the USB 2.0 specification
  8. Rounded Chamfer Engineering Change Notice to the USB 2.0 specification as of October 8, 2003
  9. Unicode Engineering Change Notice to the USB 2.0 specification as of February 21, 2005
  10. Inter-Chip USB Supplement Revision 1.0 as of March 13, 2006
  11. Micro-USB Cables and Connectors Specification Revision 1.01 as of April 4, 2007 and corresponding Adopters Agreement
  12. USB 2.0 Link Power Management Addendum Engineering Change Notice to the USB 2.0 specification as of July 16, 2007
  13. High-Speed Inter-Chip USB Electrical Specification Revision 1.0 as of September 23, 2007
  14. Suspend Current Limit Changes Engineering Change Notice to the USB 2.0 Specification as of April 9, 2008
  15. 5V Short Circuit Withstand Requirement Change Engineering Change Notice to the USB 2.0 Specification as of December 22, 2008
  16. Device Capacitance Engineering Change Notice to the USB 2.0 Specification as of December 22, 2008
  17. Material Change Engineering Change Notice to the USB 2.0 Specification as of December 22, 2008
  18. USB 2.0 Phase-locked SOFs Engineering Change Notice to the USB 2.0 Specification as of December 22, 2008
  19. Micro-USB Micro-B ID Pin Resistance and Tolerance stack-up between D+ and D- Engineering Change Notice to the MicroUSB Specification to the USB 2.0 Specification, Revision 1.01 as of December 22, 2008
  20. Quad Type Cable Additional for Micro USB ECN as of December 29, 2009
  21. Clarification on the Chamfer on USB 2.0 Micro Connectors ECN as of March 23, 2010
  22. Maximum Unmating Force Value Definition to USB 2.0 Micro Connectors ECN as of March 23, 2010
  23. "On-The-Go Supplement to the USB 2.0 Specification" Adopters Agreement
  24. USB TEST_MODE Selector Values ECN as of July 26, 2010
  25. Errata for USB 2.0 ECN:  Link Power Management (LPM) - 7/2007 as of October 11, 2011
  26. On-The-Go and Embedded Host Supplement to the USB Revision 2.0 Specification, Revision 2.0 version 1.1a as of July 27, 2012
  27. HSIC ECN as of May 21, 2012
  28. USB 2.0 Connect Timing ECN Update as of April 4, 2013
  29. HSIC Disconnect Supplement ECN as of September 18, 2013
  30. USB 2.0 VBUS Max Limit ECN as of August 11, 2014
  31. USB OTG EH ECN Maximum Vbus Voltage dated November 26, 2014
  32. USB 2.0 DC Resistance as of October 8, 2021
  33. USB 2.0 Double Isochronous IN Bandwidth ECN as of June 4, 2024
  34. USB 2.0 eUSB2 Repeater ECN as of September 27, 2024
  35. USB 2.0 Double Isochrnous IN ECN dated April 8, 2025
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Specification Base Specification USB 2.0
USB_PD_R3.2_V1.2.zip40.87 MBUSB Power Delivery

1.  USB Power Delivery Specification Revision 2.0 Version 1.3 and corresponding Adopters Agreements

2.  USB Power Delivery Specification Revision 3.2 Version 1.1 and corresponding Adopters Agreements

3.  USB Power Delivery Specification Revision 3.2 Version 1.2 and corresponding Adopters Agreements

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Specification Base Specification USB Power Delivery
USB4 Specification Sep 2024_1.zip38.35 MBUSB4® Specification v2.0
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Specification Base Specification USB4
USB Type-C 2.4 Release 202410.zip26.67 MBUSB Type-C® Cable and Connector Specification Release 2.4
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Specification Cable and Connector Specification USB Type-C
UCSI Revision 3.0.zip3.61 MBUSB Type-C® Connector System Software Interface (UCSI) Specification
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Specification Cable and Connector Specification USB Type-C
CabConn20.pdf0 bytesCables and Connectors Class 2.0
  • USB Cables and Connectors Class Document
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Specification Cable and Connector Specification
CCWG_A_Plug_Form_Factor_Guideline_Revision_1.0_.pdf0 bytesSeries 'A' Plug form factor Guideline 1.0
  • USB 'A' Plug Form Factor Rev. 1.0
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Specification Cable and Connector Specification
MezzanineConnectorFinal.pdf0 bytesUSB Connector for Mezzanine Applications Guidelines Rev. 1.0
  • USB Connector for Mezzanine Applications Guidelines Rev. 1.0
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Specification Cable and Connector Specification
USB_Thin_Card.zip0 bytesUSB Thin Card v1.0 and Adopters Agreement
  • USB This Card Specification Rev 1.0
  • Adopters Agreement
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Specification Cable and Connector Specification
USB 3.1 Legacy Cable and Connector Revision 1.0.zip7.64 MBUSB 3.1 Legacy Cable and Connector Revision 1.0
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Specification Cable and Connector Specification
USB Type-C Locking Connector Specification.zip821.04 KBUSB Type-C® Locking Connector Specification
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Specification Cable and Connector Specification USB 2.0, USB 3.2, USB Type-C
midi10.pdf0 bytesUSB MIDI Devices 1.0
  • USB MIDI Devices 1.0
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Specification Device Class Specification
AVDD_Creator_Installer.zip0 bytesAVDD Creator Installer
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Specification Device Class Specification
AV_BDP_v1.0.pdf0 bytesUSB Device Class Definition for Audio/Video Devices Basic Device Profile (BDP)
  • USB Device Class Definition for Audio/Video Devices
  • Basic Device Profile (BDP)
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Specification Device Class Specification
MBIMMultiflow10.zip0 bytesUSB Multiflow Extension for Mobile Broadband Interface Model v1.0 and Adopters Agreement
  • USB Multiflow Extension for Mobile Broadband Interface Model v1.0
  • Adopters Agreement
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Specification Device Class Specification
ContentSecurity_v2.0.pdf0 bytesDevice Class Definition for Content Security Devices 2.0
  • Device Class Definition for Content Security Devices 2.0
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Specification Device Class Specification
ContentSecurity_v2.0.pdf0 bytesContent Security Method 1 - Basic Authentication Protocol 1.0
  • Content Security Method 1 - Basic Authentication Protocol 1.0
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Specification Device Class Specification
csm2_v1_0.pdf0 bytesContent Security Method 2 - USB Digital Transmission Content Protection Implementation 1.0
  • Content Security Method 2 - USB Digital Transmission Content Protection Implementation 1.0
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Specification Device Class Specification