ORCA SOM/ORCA Evaluation Kit/Interfaces and Connectors/USB ports
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| History | |||
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| Version | Issue Date | Notes | |
| 1.0.0 | Sep 2021 | First release | |
USB Ports interface[edit | edit source]
Description[edit | edit source]
The Evaluation Kit provides two USB3.0 ports at the connectors J3 and J4.
J3 and J4 are USB Type-C connectors. J3 is also used to supply the system, see Power Supply section.
Both ports can provide 5V output up to 2.2A. J3 port can also be configured to provide up to 3.3A
[[File:{Template:Nome-som-EVB-USB Ports-connector.png|thumb|center|500px|USB Ports connector]]
Signals[edit | edit source]
The following table describes the interfaces signals:
J3[edit | edit source]
| Pin# | SOM Pin# | Pin name | Pin function | Pin Notes |
|---|---|---|---|---|
| A4, A9, B4, B9 | - | VBUS | +5V | |
| A6, B6 | J15.193 | DP1 | USB_DP | |
| A7, B7 | J15.195 | DN1 | USB_DN | |
| A2 | J15.199 | SSTXP1 | USB_TX_P | |
| A3 | J15.201 | SSTXN1 | USB_TX_N | |
| B11 | J15.203 | SSRXP1 | USB_RX_P | |
| B10 | J15.205 | SSRXN1 | USB_RX_N | |
| B2 | J15.199 | SSTXP2 | USB_TX_P | |
| B3 | J15.201 | SSTXN2 | USB_TX_N | |
| A11 | J15.203 | SSRXP2 | USB_RX_P | |
| A10 | J15.205 | SSRXN2 | USB_RX_N | |
| A5 | - | CC1 | Orientation Plug | Used for PD handshake |
| B5 | - | CC2 | Orientation Plug | Used for PD handshake |
| A8 | - | SBU1 | Side Band Use | |
| B8 | - | SBU2 | Side Band Use | |
| A1, A12, B1, B12 | - | DGND | Ground |
J4[edit | edit source]
| Pin# | SOM Pin# | Pin name | Pin function |
|---|---|---|---|
| A4, A9, B4, B9 | - | VBUS | +5V |
| A6, B6 | J15.173 | DP1 | USB_DP |
| A7, B7 | J15.175 | DN1 | USB_DN |
| A2 | J15.179 | SSTXP1 | USB_TX_P |
| A3 | J15.181 | SSTXN1 | USB_TX_N |
| B11 | J15.183 | SSRXP1 | USB_RX_P |
| B10 | J15.185 | SSRXN1 | USB_RX_N |
| B2 | J15.179 | SSTXP2 | USB_TX_P |
| B3 | J15.181 | SSTXN2 | USB_TX_N |
| A11 | J15.183 | SSRXP2 | USB_RX_P |
| A10 | J15.185 | SSRXN2 | USB_RX_N |
| A5 | - | CC1 | Orientation Plug |
| B5 | - | CC2 | Orientation Plug |
| A8 | - | SBU1 | Side Band Use |
| B8 | - | SBU2 | Side Band Use |
| A1, A12, B1, B12 | - | DGND | Ground |
Device usage[edit | edit source]
The USB ports can be used under Linux for connecting USB devices: the related device driver has to be integrated into the Linux kernel.
