USB Pinout 線路
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 3 (Type A) pinout
USB 3.0 combines USB 2.0 bus and new SuperSpeed bus with transfer rate up to 5.0 Gbit/s.
USB 3.0 包含 USB 2.0 並新增 SuperSpeed bus，可以觀查 USB 接頭的外觀，初部判斷是否支援 USB 3.0。
| 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 |
Reference
USB 2, USB 1 pinouts and signals. Wire colors
USB 3 pinouts and signals. Connector types
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