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The pinout diagrams of the superspeed versions of different USB types are described in the following section. USB Type A 3.0 and Type B 3.0 USB Power Delivery — Introduction" (PDF). July 16, 2012. Archived (PDF) from the original on January 23, 2013 . Retrieved January 6, 2013. USB was originally designed for computer peripherals: keyboards, mice, external disk drives, printers, scanners, cameras, and the like. However, mobile phones and tablets are among the most commonly connected devices using USB and flash drives since their earliest iterations. In addition, more recently, USB has become a versatile connector for audio and video devices like speakers, microphones, monitors, and webcams. Hruska, Joel (13 March 2015). "USB-C vs. USB 3.1: What's the difference?". ExtremeTech. Archived from the original on 11 April 2015 . Retrieved 9 April 2015. The USB Micro also has 5 pins similar to that of the USB Mini, where the additional pin supports OTG connectivity. The table below shows the pinout of Micro-A and B. Pin
USB is an industry standard for cables and connectors. Like any technology, it has progressed over time and had various iterations, with significant speed and power improvements. The first version was released in 1996, and the most recent speed upgrade is USB4, released in 2019, though it is not yet widely implemented. As the speeds have increased, so has the physical design of the connectors, and the latest form factor, USB-C, marks a significant improvement on USB-A and USB-B. USB: The Basics USB Micro is thinner and gives a higher data transfer speed than the USB Mini. It is often used for charging portable devices and comes in two shapes. Micro A is rectangular whereas Type Micro B has a camper shape. The USB Power Delivery specification revision2.0 (USB PD Rev. 2.0) has been released as part of the USB3.1 suite. [56] [64] [65] It covers the USB-C cable and connector with a separate configuration channel, which now hosts a DC coupled low-frequency BMC-coded data channel that reduces the possibilities for RF interference. [66] Power Delivery protocols have been updated to facilitate USB-C features such as cable ID function, Alternate Mode negotiation, increased V BUS currents, and V CONN-powered accessories. The connectors the USB committee specifies support a number of USB's underlying goals, and reflect lessons learned from the many connectors the computer industry has used. The connector mounted on the host or device is called the receptacle, and the connector attached to the cable is called the plug. [1] The official USB specification documents also periodically define the term male to represent the plug, and female to represent the receptacle, though these uses are inconsistent with established definitions of connector gender. [2]
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With these cables, the type is whichever end of the cable isn’t the standard USB Type-A connector. So, for example, a cable with both a USB Type-A and a Type-C connector is a USB Type-C cable. The different A and B plugs prevent accidentally connecting two power sources. However, some of this directed topology is lost with the advent of multi-purpose USB connections (such as USB On-The-Go in smartphones, and USB-powered Wi-Fi routers), which require A-to-A, B-to-B, and sometimes Y/splitter cables. See the USB On-The-Go connectors section below for a more detailed summary description.
USB Cable Length Limitations" (PDF). cablesplususa.com. November 3, 2010. Archived from the original (PDF) on October 11, 2014 . Retrieved February 2, 2014. The Capsule Plus provides high-speed USB charging for laptops and other devices; making it ideal for office and homeworking. There is a Type A and Type C twin USB port to ensure a variety of devices can be connected. USB Sleep-and-Charge Ports". toshiba.com. Archived from the original on 14 December 2014 . Retrieved 21 December 2014.Edison's revenge". The Economist. October 19, 2013. Archived from the original on October 22, 2013 . Retrieved October 23, 2013. Main article: USB-C The USB-C plug USB cable with a USB-C plug and a USB-C port on a notebook computer Female USB connectors allow the male part of a USB cable or plug to be inserted into any compatible device. Once coupled in this way, the two devices can share both power and data over their common USB connection. USB cables, or Universal Serial Bus cables, are widely used for connecting various electronic devices to each other or to a computer. They provide a standardized interface for data transfer, power supply, and peripheral connectivity. USB cables have different types and connectors, each designed for specific purposes and device compatibility. Here are some commonly used USB cable types:
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