AXEL ULite SOM/AXEL ULite Evaluation Kit/Interfaces and Connectors/USB ports
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| History | |||
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| Issue Date | Notes | ||
| 2021/07/19 | First EVK release | ||
Contents
USB ports interface[edit | edit source]
Description[edit | edit source]
The AXEL ULite Evaluation Kit provides two USB ports, one Host and one Host/OTG optional ports:
- J11 is a standard USB Host 2.0 Type A connector
- J22 is a micro-AB type receptacle for an optional USB Host/OTG connection: this interface can be mounted on request and provide an Host or an OTG USB additional port:
Signals[edit | edit source]
The following table describes the interface signals
USB Host[edit | edit source]
| Pin# | SOM Pin# | Pin name | Pin function | Pin Notes |
|---|---|---|---|---|
| J11.1 | J1.188 | USB_HOST_VBUS | VBUS | |
| J11.2 | J1.202 | USB_HOST_DN | USB Host Data - | |
| J11.3 | J1.200 | USB_HOST_DP | USB Host Data + | |
| J11.4 | - | DGND | Ground |
USB Host/OTG[edit | edit source]
| Pin# | SOM Pin# | Pin name | Pin function | Pin Notes |
|---|---|---|---|---|
| J22.6, J22.7, J22.8 | - | USB_OTG_SH Shield | ||
| J22.1 | J10.186 | USB_OTG_VBUS | VBUS | |
| J22.2 | J10.196 | USB_OTG_DN | USB OTG Data - | |
| J22.3 | J10.198 | USB_OTG_DP | USB OTG Data + | |
| J22.4 | J10.101 | USB_OTG_ID | USB OTG ID | |
| J22.5 | - | GND | Ground |
Device mapping[edit | edit source]
The USB Host ports can be used under Linux for connecting USB peripheral devices: the related peripheral driver has to be integrated into the Linux kernel.
