6.5 KiB
Appendix A. Revision History
Table A.1. Revision History
| Revision | Version | Comments | Issue Date |
|---|---|---|---|
| 1.0 | 1.0 | Initial release Revision 1.0 | 5 July 2012 |
| 1.0 | 1.1 | Including errata through 31-October-2012 | 31 October 2012 |
| 1.0 | 1.2 | Including errata through 26-June-2013 | 26 June 2013 |
| 1.0 | 1.3 | Including errata through 11-March-2014 | 11 March 2014 |
| 2.0 | 1.0 | Initial release Revision 2.0 | 11 August 2014 |
| 2.0 | 1.1 | Including errata through 7-May 2015 | 7 May 2015 |
| 2.0 | 1.2 | Including errata through 25-March-2016 | 25 March 2016 |
| 2.0 | 1.3 | Including errata through 11-January-2017 | 11 January 2017 |
| 3.0 | 1.0 | Initial release Revision 3.0 | 11 December 2015 |
| 3.0 | 1.0a | Including errata through 25-March-2016 | 25 March 2016 |
| 3.0 | 1.1 | Including errata through 12-January-2017 | 12 January 2017 |
| 3.0 | 1.2 | Including errata through 21-June-2018 | 21 June 2018 |
| 3.0 | 2.0 | Including errata through 29-August-2019 | 29 August 2019 |
| 3.1 | 1.0 | Including errata through May 2021 | May 2021 |
| 3.1 | 1.1 | Including errata through July 2021 This Version incorporates the following ECNs: • EPR Clarifications • Define AMS starting point |
July 2021 |
| 3.1 | 1.2 | Including errata through October 2021 This Version incorporates the following ECNs: • Clarify use of Retries • Battery Capabilities • FRS timing problem • PPS power rule clarifications • Peak current support for EPR AVS APDO |
October 2021 |
| 3.1 | 1.3 | This Version incorporates the following ECNs: • Robust EPR Source Operation • EPR Source Caps Editorial • SRC PPS behavior in low current Request • Enter USB |
January 2022 |
| 3.1 | 1.4 | Editorial changes This Version incorporates the following ECNs: • Capabilities Mismatch Update • Chunking Timing Issue • OT Mitigation |
April 2022 |
| 3.1 | 1.5 | Editorial changes
This Version incorporates the following ECNs:
• Timer Description Corrections
• Change Source_Info Requirements
• AMS Update | July 2022 |
| 3.1 | 1.6 | Editorial changes
This Version incorporates the following ECNs:
• USB4 V2 Updates
• Data Reset Issues
• Increase tSenderResponse
• PPS Power Limit Bit Update
• Support for Asymmetric Mode
• Timer Description Corrections Revisited | October 2022 |
| 3.1 | 1.7 | Editorial Changes
This Version incorporates the following ECNs:
• Data Reset Invalid Reject Handling
• Source Request
• Source Transition
• EPR Entry | January 2023 |
| 3.1 | 1.8 | Editorial Changes
This Version incorporates the following ECNs:
• Slew rate exemption for Power Role Swap.
• EUDO cable speed clarification.
• Update to PPS Requirements.
• Deprecate Interruptibility.
• Section 7.3 restructure and update. | April 2023 |
| 3.1 | 1.9 | Editorial Changes | July 2023 |
| 3.2 | 1.0 | This Version incorporates the following ECNs:
• VDM-use Conditions.
• tTypeCSinkWaitCap.
• tFirstSourceCap Clarification
• Hard Reset Clarification.
• Unrecognized Country Code
• EPR Entry Process-1
• SPR AVS Definition
• EPR Power Rules Clarifications | October 2023 |
| 3.2 | 1.1 | This Version incorporates the following ECNs:
• Power Transition time from EPR to PR_Swap
• Capabilities Mismatch Update
• Deprecate GotoMin and GiveBack Features and Update Power Reserve
• EPR Entry requirements Clarification
• EPRMDO and Entry Clarification.
• Remove 10.2.4 power sharing between ports
• Source PDP Rating field clarifications
• Source Power Rules update.
• Source_Info Message Clarifications.
• Correction to BMC description.
• EPR Source cap clarification.
• Delaying of VCONN Swap.
• EPR_Request in SPR Mode.
• Generic transition diagram.
• Removing the usage of Ping Message
• Sink Standby
• Source Info Support | October 2024 |
| 3.2 | 1.2 | Reformatted and restructured the specification; all previous text has been rewritten and reformatted.
This version incorporates the following ECNs; note that they were authored against the prior structure/wording, so their content may appear in different locations in this document.
• Dynamic Power Sources (DPS).
• Clarify Assured and Shared Capacity Definitions.
• Clarify EPR_Get_Source_Cap negative Response.
• Clarify meaning of full Capabilities
• Errata PDO type.
• Remove vEPRmax.
• Wait in EPR_Request
• Clarify requirement of PSSourceOffTimer in FRS
• HardReset Processing Time Clarification
• FRS update to discharge and detect disconnect
• Fix Regression in Active Cable VDO Version
• iOvershoot removal
• Clarify SVDM Major Version 1.0
• cSnkBulkPd Clarifications
• EPR_Get_Source_Cap – EPR_Get_Sink_Cap applicability
• Source power rule of first source caps | January 2026 |
| 3.2 | 1.2 | Corrected Printing (March 2026):
This corrected printing fixes the following editorial errata:
• Errata #1: Corrected broken cross-reference in Section 9.2.26.4.3.1 (PE_BIST_Shared_Capacity_Test_Mode) where state name incorrectly appeared as "Error! Reference Source not found" in two locations.
• Errata #2: Corrected DNL error value in Section 4.1.3.2.6 (Source DNL Tolerance) where the text incorrectly stated "The ideal scenario for a DNL error of 1" when it should state "The ideal scenario for a DNL error of 0". | March 2026 |
| 3.2 | 1.2 | Corrected Printing (May 2026):
This corrected printing fixes the following editorial errata:
• Errata #3: Corrected parameter name iSnkStby to iSnkStdby throughout the specification with proper cross-reference links in FRS and electrical requirement sections.
• Errata #4: Corrected bit range errors in SIDO1 and SIDO2 status data objects.
• Errata #5: Corrected EPR AVS Sink PDO field name and description, changing PDP to Maximum Power for consistency.
• Errata #6: Corrected Manufacturer Info Target/Ref byte ordering in the data object definition.
• Errata #7: Added missing Fast Role Swap field in Fixed 5V Sink PDO specification.
• Errata #8: Added EPR Source Capabilities sequence to EPR Mode Enter AMS definition.
• Errata #9: Corrected PDO descriptions where "current values" should read "power values".
• Errata #10: Corrected DNL sentence in Section 4.1.3.2.6 for additional clarity. | May 2026 |