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MITO 8M Mini SOM/MITO 8M Mini Evaluation Kit/Interfaces and Connectors/USB ports

< MITO 8M Mini SOM‎ | MITO 8M Mini Evaluation Kit
History
Version Issue Date Notes
1.0.0 Apr 2022 First release


Contents

USB portsEdit

DescriptionEdit

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
 
USB Host connector


  • J18 is a micro-AB type receptacle for a USB OTG connection: this interface can operate in Host mode and Device (peripheral) mode


 
USB OTG connector

SignalsEdit

The following table describes the interface signals

USB HostEdit

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 OTGEdit

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 usageEdit

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.