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USB引脚

watrt1年前 (2019-04-20)硬件接口1990

Universal Serial Bus


 
USB 1.x/2.0 Standard A/B plug (male)



 
USB 1.x/2.0 Mini A/B plug (male)



 
USB 2.0 Micro A/B plug (male)


PinNameDescriptionColor
Stand.Mini/Micro
11VCC+5 VRed
22D-Data -White
33D+Data +Green
-4IDOTG Identification:
• host: connected to ground
• slave: not connected
Not connected
45GNDGroundBlack
ShellShieldMetal shellDrain Wire



USB 3.x


 
USB 3.x Standard-A Receptable (female) and plug (male)



 
USB 3.x Powered-B Receptable (female) and plug (male)



 
USB 3.x Micro-B plug (male)


PinSignalDescriptionColor (type A)
Type AType B (*)Micro B
111VBUSPowerRed
222Data -USB 2.0 dataWhite
333Data +Green
445GNDGround for powerBlack
589SSRX-SuperSpeed receiverBlue
6910SSRX+Yellow
778GND DRAINGround for signal
856SSTX-SuperSpeed transmitterPurple
967SSTX+Orange
1010-DPWR (*)
PD DETECT 1
Power provided by device
/PD detect

1111-DGND (*)
PD DETECT 2
Ground for DPWR
/PD detect

--4IDOTG Identification
ShellShieldConnector metal shell
Note: Tx and Rx are defined from host perspective for Type-A, and from device perspective for Type-B and Micro-B.

(*) Powered-B USB connector allows USB accessories to draw power from peripheral devices. It is deprecated in USB 3.1 and replaced by Power Delivery (PD) specs.
Pins 10-11 are used in PD receptacle to detect a PD plug.
Standard connectors don't have the pins 10-11.



USB 3.1 Type-C


USB Type-C Receptacle Interface (Front View)

A1A2A3A4A5A6A7A8A9A10A11A12
GNDTX1+TX1-VbusCC1D+D-SBU1VbusRX2-RX2+GND

GNDRX1+RX1-VbusSBU2D-D+CC2VbusTX2-TX2+GND
B12B11B10B9B8B7B6B5B4B3B2B1


USB Type-C Plug Interface (Front View)

A12A11A10A9A8A7A6A5A4A3A2GND
GNDRX2+RX2-VbusSBU1D-D+CCVbusTX1-TX1+GND

GNDTX2+TX2-VbusVconn

SBU2VbusRX1-RX1+GND
B1B2B3B4B5B6B7B8B9B10B11B12


The pin-out is independent of plug orientation.
Connector includes both USB 2.0 (D+ and D鈭�) and USB 3.1 (TX and RX pairs) data buses, USB power (VBUS) and ground (GND), Configuration Channel signals (CC1 and CC2), and two Sideband Use (SBU) signal pins.
Not all signals are required in all platforms or devices.


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