Difference between revisions of "BORA Xpress SOM/BORA Xpress Hardware/Peripherals/USB"
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{{#lst:Processing_system_peripherals_(BORAXpress)|USB}} | {{#lst:Processing_system_peripherals_(BORAXpress)|USB}} | ||
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Latest revision as of 15:16, 11 January 2024
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| History | |||
|---|---|---|---|
| Issue Date | Notes | ||
| 2021/11/22 | New documentation layout | ||
Bora provides one USB 2.0 (Full Speed, up to 480 Mbps) port with on-board PHY (SMSC USB3317) and support to the On-The-Go (OTG) specifications. The transceiver is connected to the USB1 controller (MIO bank 1, pins PS_MIO[28:39]). The following table describes the interface signals:
| Pin name | Conn. pin | Function | Notes |
|---|---|---|---|
| USBP1 | J1.114 | D+ pin of the USB cable | - |
| USBM1 | J1.116 | D- pin of the USB cable | - |
| USBOTG_CPEN | J1.111 | External 5 volt supply enable | This pin is used to enable the external Vbus power supply |
| OTG_VBUS | J1.113 | VBUS pin of the USB cable | - |
| OTG_ID | J1.115 | ID pin of the USB cable | For non-OTG applications this pin can be floated. For an A-device ID is grounded. For a B-device ID is floated. |
