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Version 1.0 defined 20 Gbit/s and 40 Gbit/s connections, the required support of USB 2.0 and USB 3.x connections at up to 10 Gbit/s with support for tunneling connections according to the PCIe 4.0, USB 3.2 and DP 1.4a specifications. Optional backwards compatibility to Thunderbolt 3 as well as Host-to-Host networking were also defined.
Quick Charge 4 supports HVDCP++, optional Dual Charge++, INOV 3.0, and Battery Saver Technologies 2. It is cross-compatible with both USB-C and USB-PD specifications, supporting fallback to USB-PD if either the charger or device is not QC-compatible. However, Quick Charge 4 chargers are not backward compatible with Quick Charge. [7]
It supports 40 Gbit/s throughput, is compatible with Thunderbolt 3, and backward compatible with USB 3.2 and USB 2.0. [44] [45] The architecture defines a method to share a single high-speed link with multiple end device types dynamically that best serves the transfer of data by type and application.
USB 3.x and USB 1.x Type-A plugs and receptacles are designed to interoperate. To achieve USB 3.0's SuperSpeed (and SuperSpeed+ for USB 3.1 Gen 2), 5 extra pins are added to the unused area of the original 4 pin USB 1.0 design, making USB 3.0 Type-A plugs and receptacles backward compatible to those of USB 1.0.
The written USB 3.0 specification was released by Intel and its partners in August 2008. The first USB 3.0 controller chips were sampled by NEC in May 2009, [4] and the first products using the USB 3.0 specification arrived in January 2010. [5] USB 3.0 connectors are generally backward compatible, but include new wiring and full-duplex operation.
2 Is this specification backwards compatible? 4 comments. 3 native USB 3.2 support? yes or no. 4 comments. 4 'Data transfer mode' paragraph conclusion is incorrect ...
A big question that lingered over the launch of this generation's consoles was that of backwards compatibility. With their chests puffed huge, showing off PlayStation 3 hardware that was still ...
In compilers, backward compatibility may refer to the ability of a compiler for a newer version of the language to accept source code of programs or data that worked under the previous version. [8] A data format is said to be backward compatible when a newer version of the program can open it without errors just like its predecessor. [9]