USB接口（USB1，Pin Header，OTG）
From ESS-WIKI
USB Type A Connector (USB1)
RSB-4710 supports one standard USB 3.0 and one USB 2.0 Type A connector on the coastline.
| Pin | Description |
| 1 | +USBV1 |
| 2 | USB_D1- |
| 3 | USB_D1+ |
| 4 | GND |
| 5 | USB3X0_z_RX- |
| 6 | USB3X0_z_RX+ |
| 7 | GND |
| 8 | USB3X0_z_TX- |
| 9 | USB3X0_z_TX+ |
| 10 | +VUSB3 |
| 11 | USB_D2- |
| 12 | USB_D2+ |
| 13 | GND |
USB (Internal Pin Header) (USB2, USB3)
RSB-4710 provides three extra internal USB 2.0 ports via pin header USB2 and USB3. The USB2 pin definitions are provided below.
| Pin | Description | Pin | Description |
| 1 | +VUSB3 | 2 | +VUSB3 |
| 3 | USB_z_P2_DM | 4 | USB_z_P1_DM |
| 5 | USB_z_P2_DP | 6 | USB_z_P1_DP |
| 7 | GND | 8 | GND |
| 9 | GND | 10 | NC |
The USB3 pin definitions are provided below.
| Pin | Description | Pin | Description |
| 1 | +VUSB3 | 2 | +VUSB3 |
| 3 | USB_z_P6_DM | 4 | NC |
| 5 | USB_z_P6_DP | 6 | NC |
| 7 | GND | 8 | GND |
| 9 | GND | 10 | NC |
