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a b c "USB Power Delivery Specifications 2.0 and 3.1" (PDF (Zipped)). USB.org. October 26, 2021. Archived (PDF (Zipped)) from the original on November 3, 2021 . Retrieved November 3, 2021. Mobile phones to adopt new, smaller USB connector" (PDF) (Press release). USB Implementers Forum. 4 January 2007. Archived (PDF) from the original on 8 January 2007 . Retrieved 8 January 2007. UAC 1.0 devices are still common, however, due to their cross-platform driverless compatibility, [70] and also partly due to Microsoft's failure to implement UAC 2.0 for over a decade after its publication, having finally added support to Windows 10 through the Creators Update on 20 March 2017. [73] [74] [72] UAC 2.0 is also supported by macOS, iOS, and Linux, [67] however Android only implements a subset of the UAC 1.0 specification. [75] Connectors [ edit ] Comparison of legacy USB connector plugs, omitting the current standard Type-C plugs Universal Serial Bus Type-C Cable and Connector Specification, Release 2.2. USB Implementers Forum (Technical report). USB 3.0 Promoter Group. October 2022 . Retrieved April 12, 2023.
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Lam, Crystal; Liu, Harry (October 22, 2007). "How to conform to China's new mobile phone interface standards". Wireless Net DesignLine. Archived from the original on May 14, 2014 . Retrieved June 22, 2010. Oppo Super VOOC Flash Charge, are also known as Dash Charge or Warp Charge on OnePlus devices and Dart Charge on Realme devices Agreement on Mobile phone Standard Charger" (Press release). GSM World. Archived from the original on 17 February 2009. What is the Maximum Length of a USB Cable?". Techwalla.com. Archived from the original on December 1, 2017 . Retrieved November 18, 2017.USB ports and connectors are often color-coded to distinguish their different functions and USB versions. These colors are not part of the USB specification and can vary between manufacturers; for example, the USB3.0 specification mandates appropriate color-coding while it only recommends blue inserts for Standard-A USB3.0 connectors and plugs. [8] Connector types [ edit ] Portable devices having a USB On-The-Go port may want to charge and access a USB peripheral simultaneously, yet having only a single port (both due to On-The-Go and space requirement) prevents this. Accessory charging adapters (ACA) are devices that provide portable charging power to an On-The-Go connection between host and peripheral.
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ID Pin Resistance on Mini B-plugs and Micro B-plugs Increased to 1 Mohm". USB IF Compliance Updates. December 2009. Archived from the original on 20 July 2011 . Retrieved 1 March 2010. On-The-Go and Embedded Host Supplement to the USB Revision 3.0 Specification" (PDF). USB.org. Revision 1.1. May 10, 2012. The USB3.0 standard does not directly specify a maximum cable length, requiring only that all cables meet an electrical specification: for copper cabling with AWG26 wires the maximum practical length is 3 meters (9ft 10in). [89] USB bridge cables [ edit ]Apple's Lightning to Micro-USB adapter now available in US, not just Europe anymore", Engadget, 3 November 2012, archived from the original on 26 June 2017 The USB1.1 standard specifies that a standard cable can have a maximum length of 5 meters (16ft 5in) with devices operating at full speed (12Mbit/s), and a maximum length of 3 meters (9ft 10in) with devices operating at low speed (1.5Mbit/s). [35] [36] [37] The Universal Serial Bus was developed to simplify and improve the interface between personal computers and peripheral devices, such as cell phones, computer accessories, and monitors, when compared with previously existing standard or ad hoc proprietary interfaces. [12]
USB hardware - Wikipedia USB hardware - Wikipedia
USB connectors have been increasingly replacing other types as charging cables of portable devices. 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 female connector mounted on the host or device is called the receptacle, and the male connector attached to the cable is called the plug. [30] :2–5 – 2–6 The official USB specification documents also periodically define the term male to represent the plug, and female to represent the receptacle. [85] The legacy USB Type-A plug. This is one of many legacy types of USB connector. USB cables exist with various combinations of plugs on each end of the cable, as displayed below in the USB cables matrix. Universal Serial Bus 1.1 Specification" (PDF). cs.ucr.edu. 23 September 1998. pp.150, 158. Archived (PDF) from the original on 2 January 2015 . Retrieved 24 November 2014. 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.Lex Friedman (25 February 2013). "Review: Logitech's Ultrathin mini keyboard cover makes the wrong tradeoffs". macworld.com. Archived from the original on 3 November 2013 . Retrieved 29 October 2013. a b "Minty Boost — The mysteries of Apple device charging". Lady Ada. 17 May 2011. Archived from the original on 28 March 2012. As of 2023, [update] USB consists of four generations of specifications: USB 1. x, USB 2.0, USB 3. x, and USB4. USB4 enhances the data transfer and power delivery functionality with The limit to device power draw is stated in terms of a unit load which is 100mA for USB 2.0, or 150mA for SuperSpeed (i.e. USB 3. x) devices. Low-power devices may draw at most 1 unit load, and all devices must act as low-power devices before they are configured. A high-powered device must be configured, after which it may draw up to 5 unit loads (500mA), or 6 unit loads (900mA) for SuperSpeed devices, as specified in its configuration because the maximum power may not always be available from the upstream port. [43] [44] [45] [46]
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a b "Deprecation of the Mini-A and Mini-AB Connectors" (PDF) (Press release). USB Implementers Forum. 27 May 2007. Archived from the original (PDF) on 6 March 2009 . Retrieved 13 January 2009. Toshiba NB200 User Manual" (PDF). UK. 1 March 2009. Archived (PDF) from the original on 19 February 2014 . Retrieved 26 January 2014.I have the drive plugged in but I cannot find the drive in "My Computer", why?". hitachigst.com. Archived from the original on 15 February 2011 . Retrieved 30 March 2012. A. Power Profiles", Universal Serial Bus Power Delivery Specification revision 2.0, version 1.2, USB Implementers Forum, 25 March 2016, archived from the original on 12 April 2016 , retrieved 9 April 2016
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