Universal Serial Bus USB pinout

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Universal Serial Bus (USB) is a specification to establish communication between devices and a host controller (usually computers).

USB 1.x/2.0 standard pinout
Pin Name Cable color Description
1 VBUS Red +5 V
2 D− White Data −
3 D+ Green Data +
4 Black Ground
USB 1.x/2.0 Mini/Micro pinout
Pin Name Cable color Description
1 VBUS Red +5 V
2 D− White Data −
3 D+ Green Data +
4 ID None Permits distinction of host connection from slave connection
* host: connected to Signal ground
* slave: not connected
5 GND Black Signal ground
10 pin IDC male connector at the motherboard
Pin Name Description Port
1 VCC +5 VDC USB 1
3 D0- Data -
5 D0+ Data +
7 GND Ground
9 key
2 VCC +5 VDC USB 2
4 D1- Data -
6 D1+ Data +
8 GND Ground
10 N/C
Circuit Diagram: 
Universal Serial Bus USB  pinout

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