Why does micro USB 2.0 have 5 pins, when the A-type only has 4? - Electrical Engineering Stack Excha

Why does micro USB 2.0 have 5 pins, when the A-type only has 4? - Electrical Engineering Stack Excha

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日期:2024-08-11
It's for On-The-Go, to select which device is the host or slave: The OTG cable has a micro-A plug on one side, and a micro-B plug on the other (it cannot have two plugs of the same type). OTG adds a fifth pin to the standard USB connector, called the ID-p...看更多