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This article mainly introduces the meaning of lightning interface, which is very detailed and has certain reference value. Friends who are interested must finish reading it.

Lightning means lightning-fast in Chinese; therefore, the Lightning interface, also known as "lightning interface", is an exclusive connector specification made by Apple, which first appeared in new handheld consumer electronics products such as iPhone 5, iPod Touch and iPod nano released in 2012.

Lightning interface

Lightning is an English word that means lightning fast in Chinese. Therefore, the Lightning interface, also known as the lightning interface, is the exclusive connector specification made by Apple.

On September 12, 2012, Apple released a new Lightning Dock interface at Fangcao Convention Center in San Francisco, which can be translated as "Lightning" in Chinese. The release of the new interface standard also means that Apple's 30-pin Dock interface, which has been used for nine years, will be officially replaced.

Lightning interface knowledge literacy

This connector pin is 8pin, as a replacement for the long-used 30pin connector of the new Lightning interface, its size is significantly reduced. And there is a big change, that is, both pros and cons can be used.

In other words, the Lightning data interface has been used since the beginning of Apple's iPhone5, which supports forward and reverse insertion, similar to the USB-C interface familiar to Android users. On the other hand, Android phones are equipped with a USB Type-C interface that supports forward and reverse plug, which basically began to appear in 2014 and became popular in 2015.

Internal structure of Lightning interface

PWR: power supply

GND: ground wire

ID0/ID1: used to identify ID strobe signals such as front and back sides or accessories

L0p/L0n/L1p/L1n: a signal line used for data transmission.

At present, only two of these pins are used for data transmission, and the other two should be redundant designs. Different accessory devices are identified by the combination of ID0 and ID1 pins, so as to select different data transmission lines.

Lightning interface function

In addition to basic charging and data transmission, it also supports digital signal output functions such as video and audio. At present, the Lightning interfaces used by iPhone and iPad series are only at the speed of USB2.0, and the transmission rate is about 25MB-35MB/s.

The above is all the content of this article "what does the lightning interface mean?" Thank you for reading! Hope to share the content to help you, more related knowledge, welcome to follow the industry information channel!

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