Information processing apparatus including controller capable of communicating with connected external apparatus and shifting to power-saving state, and control method therefor

Abstract

According to one embodiment, an information processing apparatus includes a universal serial bus (USB) controller capable of shifting to a low-power state and configured to transmit data with a predetermined pattern to a personal computer (PC) when the USB controller is recovered from the low-power state. The information processing apparatus includes a hardware logic configured to cause the USB controller to shift to the low-power state, a reading unit configured to read an image formed on a document according to a reading instruction, and a physical layer (PHY) configured to transmit, to the PC, image data on the document with the image read by the reading unit. The information processing apparatus prohibits the USB controller from shifting to the low-power state during a period in which the PHY transmits the image data to the PC.

Dependencies are inferred from the claim text.