| HOME | SOMs | SBCs | ToloMEO Embedded Assistant |  GET A QUOTE
|
 ONLINE HELPDESK
|
| Roadmap | IoT Services | ML/AI services | Embedded Design Services |
| History | |||
|---|---|---|---|
| Issue Date | Notes | ||
| 2020/12/31 | First Release | ||
Contents
Peripheral USB OTGEdit
The USB OTG is a dual-role device (DRD) controller that supports both device and host functions and is fully compliant with the On-The-Go Supplement to the USB 2.0 Specification. It can also be configured as a host-only or device-only controller, fully compliant with the USB 2.0 Specification.
DescriptionEdit
The USB OTG interface available on ETRA SOM is based on STM32MP1 SoC.
The USB OTG port supports the following standards and features:
- it is USB-IF certified to the Universal Serial Bus Specification Rev 2.0
- integrated support for A-B device identification (ID line)
- integrated support for host Negotiation protocol (HNP) and session request protocol (SRP)
- it allows host to turn VBUS off to conserve battery power in OTG applications
- it supports OTG monitoring of VBUS levels with internal comparators
- it supports dynamic host-peripheral switch of role
Pin mappingEdit
The Pin mapping is described in the Pinout table section