Power Management

FAQ

1. Can i350 system support any low power mode?

Yes, i350 can support suspend-to-RAM (STR, S3) low power state. The system can enter suspend-to-RAM state with the command.

echo -n mem > /sys/power/state

2. What trigger does it wake up from low power mode?

There are 3 ways to make system wake up:

  1. wake-up by on-board keypad (click volume up/down button)

  2. use RTC (user can use “rtcwake” command to test suspend/resume)

  3. USB wakeup support: user can wake-up system by plug-in/out USB device or click any key on USB keyboard. Precondition for USB wakeup: User needs to plug-in an OTG cable on USB0 port to translate to USB host mode.