Difference between revisions of "MITO 8M Mini SOM/MITO 8M Mini Evaluation Kit/Interfaces and Connectors/USB ports"
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Revision as of 11:13, 4 May 2022
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USB ports[edit | edit source]
Description[edit | edit source]
MITO 8M Mini Evaluation Kit provides two USB ports, one Host and one OTG:
- J17 is a standard USB Host 2.0 Type A connector
- J18 is a micro-AB type receptacle for a USB OTG connection: this interface can operate in Host mode and Device (peripheral) mode
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 |
|---|---|---|---|---|
| 1 | J10.188 | USB_HOST_VBUS | VBUS | USB2 VBUS |
| 2 | J10.202 | USB_HOST_DN | USB Host Data - | USB2 DM |
| 3 | J10.200 | USB_HOST_DP | USB Host Data + | USB2 DP |
| 4 | - | DGND | Ground |
USB OTG[edit | edit source]
| Pin# | SOM Pin# | Pin name | Pin function | Pin Notes |
|---|---|---|---|---|
| 6, 7, 8, 9 | - | USB_OTG_SH Shield | ||
| 1 | J10.186 | USB_OTG_VBUS | VBUS | USB1 VBUS |
| 2 | J10.196 | USB_OTG_DN | USB OTG Data - | USB1 DM |
| 3 | J10.198 | USB_OTG_DP | USB OTG Data + | USB1 DP |
| 4 | J10.192 | ENET_RX_ER | USB OTG ID | USB1 ID |
| 5 | - | GND | Ground |
Device usage[edit | edit source]
The USB Host port can be used under Linux for connecting USB peripheral devices: the related peripheral driver has to be integrated into the Linux kernel.
The USB OTG feature can be easily tested using the Mass Storage Gadget driver.
