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
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
hid1_11.pdf1007.31 KBDevice Class Definition for HID 1.11
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Specification Device Class Specification
usbmon10.pdf404.94 KBMonitor Control Class 1.0
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Specification
oaaddataformatsv6.pdf597.1 KBOAAD Arcade Usage Table
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Specification Device Class Specification
superspeed_inter-chip_supplement_1_02_19may2014.pdf609.62 KBInter-Chip Supplement to the USB Revision 3.0 Specification, Revision 1.02
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Specification
usb_debug_class_rev_1_0_final_0.pdf1.25 MBUSB 3.1 Debug Class Specification for Debug Devices, Rev. 1.0
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Specification Device Class Specification
usb_otg_and_eh_3-0_release_1_1_10may2012.pdf591.63 KBOn-The-Go and Embedded Host Supplement to the USB Revision 3.0 Specification, Revision 1.1
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Specification
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 Authentication Specification Rev 1.0 with ECN and Errata through January 7, 2019.zip2.69 MBUSB Authentication Specification Rev. 1.0 with ECN and Errata through January 7, 2019
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Specification
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 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
eUSB2_0_20240927.zip2.12 MBEmbedded USB2 (eUSB2) Physical Layer Supplement to the USB Revision 2.0 Specification, Rev. 1.2

1. Embedded USB2 (eUSB2) Physical Layer Supplement to the USB Revision 2.0 Specification, Rev. 1.2 and corresponding ECN

2. eUSB2 V1.2 ECN Repeater HS SYNC as of September 27, 2024

3. eUSB2 V1.2 ECN Native Mode Auto-Resum as of September 27, 2024

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Specification USB 2.0
3.2 Interoperability Testing v1.04 w USB Type-C.pdf2.59 MBxHCI Interoperability Test Procedures For Peripherals, Hubs and Hosts
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Specification Test Specification USB 2.0, USB 3.2, USB Power Delivery, USB Type-C
USB_Type-C_Bridge_Spec110117.zip3.11 MBUSB Type-C® Bridge Specification v1.1

USB Type-C® Bridge Class Specification v1.1

USB Type-C® Bridge Class Specification v1.1 - redline

USB 3.0 Adopters Agreement

 

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Specification Device Class Specification USB Type-C
EHSET_v1.01(1).pdf185.71 KBEmbedded High-speed Host Electrical Test Procedure Version 1.01
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Specification Test Specification USB 2.0
otgeh_compliance_plan_1_2.pdf1.27 MBUSB On-The-Go and Embedded Host Automated Compliance Plan for the On-The-Go & Embedded Host Supplement Revision 2.0 Version 1.2
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Specification Test Specification USB 2.0
USB 3 2 Link Layer Test Specification 2024 03 03.pdf1.27 MBUSB 3.2 Link Layer Test Specification
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Specification Test Specification USB 3.2
USB 2 0 Electrical Compliance Specification(v1.07).pdf753.69 KBUSB 2.0 Electrical Compliance Test Specification Version 1.07
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Specification Test Specification USB 2.0
USB_2.0_Test_Matrix.pdf58.93 KBUSB 2.0 Test Matrix
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Specification Test Matrix USB 2.0
USB-C Product Matrix 2022 08 03.pdf186.73 KBUSB Type-C Product Test Matrix
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Specification Test Matrix USB Type-C
Targeted Host Compliance Test Specification v1.00.pdf172.73 KBAndroid Based Targeted Host Compliance Test Specification v1.00
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Specification Test Specification
Embedded Host Targeted Peripheral List (TPL) Form.pdf113.18 KBEmbedded Host Target Peripheral List (TPL) Form
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Specification Test Tool Instruction
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
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
USB4 Specification Sep 2024_1.zip38.35 MBUSB4® Specification v2.0
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Specification Base Specification USB4
USB PD3 CTS Q2 2026 OR.zip4.72 MBUSB Power Delivery Compliance Test Specification
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Specification Test Specification USB Power Delivery
USB Type-C Connectors and Cable Assemblies Compliance Document Rev 2.1b.zip4.58 MBUSB Type-C Connectors and Cable Assemblies Compliance Document
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Specification Test Specification USB Type-C
USB MIDI v2_0.pdf1.52 MBUSB Class Definition for MIDI Devices v2.0
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Specification Device Class Specification
USB4 Interoperability Testing v1.06.pdf1 MBUSB4 Interoperability Test Procedures
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Specification Test Specification USB4
USB4 Electrical Test Specifications_02.2026.zip11.58 MBUSB4 Electrical Compliance Test Specification

USB4 Electrical Compliance Test Specification Ver. 1.04

USB4 Electrical - Captive Device Compliance Test Specification Ver 1.02

Universal Serial Bus 4 (USB4®) Version 2 GEN4 Electrical Compliance Test Specification Ver 1.0

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Specification Test Specification USB4
RFI system level test procedure Rev1.5 08012022.pdf1.34 MBUSB RFI System Level Test Procedure
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Specification Test Specification USB 3.2, USB Type-C
USB4 TBT3-Compatibility CTS Rev 1.1.zip1.28 MBUSB4™ Thunderbolt3™ Compatibility Compliance Test Specification
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Specification Test Specification USB4
USB4™ Thunderbolt3™ Compatibility Requirements Specification Rev 1.0 - 20210129_0.pdf397.71 KBUSB4™ Thunderbolt3™ Compatibility Requirements Specification
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Specification Test Specification USB4
USB4CV_CTSs_October_2025.zip20.58 MBUSB4CV Compliance Test Specification
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Specification Test Specification USB4
USB I3C Device Class Revision 1.0.pdf1.31 MBUSB I3C Device Class Specification
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Specification Device Class Specification
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
USB3CV_XHCICV_CTSs_August_2025 1_0.zip12.44 MBUSB3CV and XHCICV Compliance Test Specifications
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Specification Test Specification USB 2.0, USB 3.2
Electrical_Compliance_Test Specification_Linear_Re_Driver_Active_Cable_LRD_rev1p0.pdf1.92 MBElectrical Compliance Test Specification Linear Re-Driver Active Cable (LRD)
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Specification Test Specification USB Type-C, USB4
USB I3C Device Class Revision 1.1.pdf1.52 MBUSB I3C® Device Class Specification v1.1
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Specification Device Class Specification
USB_Type-C_Shared_Capacity_Interoperabiltiy_CTS_1.0.pdf416.26 KBUSB Type-C Shared Capacity Charger Interoperability Compliance Test Specification

Version 1.0

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Specification Test Specification USB Type-C
SINK PPS Interoperability Charging Cycle Test Procedure_Rev0.82.pdf150.41 KBSINK PPS Interoperability Charging Cycle Test Procedure
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Specification Test Specification USB Power Delivery, USB Type-C
Embedded USB2 Version 2.0 Supplement to the USB 2.0 Specification_0.pdf1.37 MBEmbedded USB2 Version 2.0: Supplement to the USB 2.0 Specification (eUSB2V2)
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Specification USB 2.0
USB Active Cable Thermal Compliance Test Specification v0.92 May 15th.pdf2.05 MBUSB Active Cable Thermal Compliance Test Specification
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Specification Test Specification USB Type-C
Audio2_with_Errata_and_ECN_through_Apr_2_2025.pdf1.79 MBUSB Device Class Definition for Audio Devices Release 2.0 with Errata and ECN through April 2, 2025
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Specification Device Class Specification
D1T1-1 - Welcome Keynote Taipei.pdf927.53 KBUSB DevDays 2019 - Welcome Keynote
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Presentations USB 3.2, USB4
D1T1-2 - USB Type-C System Overview.pdf838.01 KBUSB Type-C(R) System Overview
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Presentations USB Type-C
D1T1-3 - USB4 System Overview.pdf738.81 KBUSB4(TM) System Overview
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Presentations USB4
D1T1-4 - USB4 Electrical Layer.pdf705.86 KBUSB4(TM) Electricals Layer
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Presentations USB4
D1T1-5 - USB4 Logical Layer - Retimer - Transport.pdf1.42 MBUSB4(TM) Logical Layer, Re-timer and Transport Layer
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Presentations USB4