USB2.0、USB3.0和typec引脚定义
USB2.0
USB 2 (Type A) pinout
| Pin | Name | Direction | Color | Description |
|---|
| 1 | V+ | | red | +5 V power |
| 2 | D- | ←→ | white | Data - |
| 3 | D+ | ←→ | green | Data + |
| 4 | GND | | black | Ground |
USB 2 (Type B) pinout
| Pin | Name | Direction | Color | Description |
|---|
| 1 | V+ | | red | +5 V power |
| 2 | D- | ←→ | white | Data - |
| 3 | D+ | ←→ | green | Data + |
| 4 | GND | | black | Ground |
USB Mini/Micro pinout
| Pin | Name | Direction | Color | Description |
|---|
| 1 | V+ | | red | +5 V power |
| 2 | D- | ←→ | white | Data - |
| 3 | D+ | ←→ | green | Data + |
| 4 | ID | | any | Host/slave detect (USB OTG ID) |
| 4 | GND | | black | Ground |
USB 2 and USB 1 speeds
| Pin | Version | Speed |
|---|
| 1 | USB 1.x Low-Bandwidth 1996 | 1.5 Mbit/s (192 kB/s) |
| 2 | USB 1.x Full-speed 1996 | 12 Mbit/s (1.5 MB/s) |
| 3 | USB 2.0 Hi-speed 2000 | 480 Mbit/s (60 MB/s) |
| 4 | USB 3.0 SuperSpeed 2010 | 5 Gbit/s (625 MB/s) |
| 5 | USB 3.1 SuperSpeed+ 2013 | 10 Gbit/s (1,250 MB/s) |
USB3.0
USB 3 (Type A) pinout
| Pin | Name | Direction | Color | Description |
|---|
| 1 | VBUS | | red | +5 V power |
| 2 | D- | ←→ | white | USB 2.0 Data - |
| 3 | D+ | ←→ | green | USB 2.0 Data + |
| 4 | GND | | black | Ground |
| 5 | StdA_SSRX- | ← | blue | SuperSpeed receiver |
| 6 | StdA_SSRX+ | ← | yellow | SuperSpeed receiver |
| 7 | GND_DRAIN | | ground | Ground |
| 8 | StdA_SSTX- | → | purple | SuperSpeed transmitter |
| 9 | StdA_SSTX+ | → | orange | SuperSpeed transmitter |
USB 3 (Type B) pinout
| Pin | Name | Direction | Color | Description |
|---|
| 1 | VBUS | | red | +5 V power |
| 2 | D- | ←→ | white | USB 2.0 Data - |
| 3 | D+ | ←→ | green | USB 2.0 Data + |
| 4 | GND | | black | Ground |
| 5 | StdB_SSTX- | → | blue | SuperSpeed transmitter |
| 6 | StdB_SSTX+ | → | yellow | SuperSpeed transmitter |
| 7 | GND_DRAIN | | ground | Ground |
| 8 | StdB_SSRX- | ← | purple | SuperSpeed receiver |
| 9 | StdB_SSRX+ | ← | orange | SuperSpeed receiver |
USB 3 Micro-B pinout
| Pin | Name | Direction | Color | Description |
|---|
| 1 | VBUS | | red | +5 V power |
| 2 | D- | ←→ | white | USB 2.0 Data - |
| 3 | D+ | ←→ | green | USB 2.0 Data + |
| 4 | ID | | any | OTG ID |
| 5 | GND | | black | Ground |
| 6 | StdB_SSTX- | → | blue | SuperSpeed transmitter |
| 7 | StdB_SSTX+ | → | yellow | SuperSpeed transmitter |
| 8 | GND_DRAIN | | ground | Ground |
| 9 | StdB_SSRX- | ← | purple | SuperSpeed receiver |
| 10 | StdB_SSRX+ | ← | orange | SuperSpeed receiver |
typec
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