|
Features |
USB3.0 |
USB2.0 |
|
Data Rate |
SuperSpeed (5.0Gbps) additional |
low-Speed (1.5Mbps)
full-Speed (12Mbps)
high-Speed (480Mbps) |
|
Data Signal |
SS OUT Differential Signal: 1 Pair
SS IN Differential Signal: 1 Pair additional |
Differential Signal: 1 Pair |
|
Connector Signals |
4 wires: SuperSpeed
2 wires: DP/DM for USB 2.0
3 wires: Vbus/GNDx2 |
2 wires: DP/DM for USB 2.0
2 wires: Vbus/GND |
|
Bus Protocol |
No polling |
Uses polling |
|
Power Control |
Configuration at multiple link levels |
Suspend/Resume by Port |
|
Power Supply to Bus |
Max. 900 mA |
Max. 500 mA |
USB 3.0 vs USB 2.0 Speed
USB 3.0 vs USB 2.0 Specification
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