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OTG cable: ID Pin 接地
Pin4 ID pin
• host: connected to Signal ground
• slave: not connected
How to: Make your own USB OTG cable for an Android smartphone
USB - Wikipedia
Micro-B USB 3.0 plug
2. USB 2.0 differential pair (D−)
3. USB 2.0 differential pair (D+)
4. USB OTG ID for identifying lines
5. GND
6. USB 3.0 signal transmission line (−)
7. USB 3.0 signal transmission line (+)
8. GND
9. USB 3.0 signal receiving line (−)
10. USB 3.0 signal receiving line (+)
| Pin | Name | Cable color | Description |
|---|---|---|---|
| 1 | VBUS | Red (or Orange) | +5 V |
| 2 | D− | White (or Gold) | Data − |
| 3 | D+ | Green | Data + |
| 4 | GND | Black (or Blue) | Ground |
| 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 |
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