DISPLAY CONTROLLER, SCREEN TRANSFER DEVICE, AND SCREEN TRANSFER METHOD

摘要

PROBLEM TO BE SOLVED: To satisfy the need for transferring and displaying a screen, which is displayed on a mobile device, to and on another device.SOLUTION: A system interconnect 40 interconnects a main memory 50, a display controller 60, and a dedicated memory 70. The display controller 60 reads frame data from a frame buffer 52 provided in the main memory 50 and generates a screen output image for displaying on a display. A path is provided for: taking out the screen output image from the display controller 60 as a transfer screen image for transferring it to another device; and writing it back to the dedicated memory 70 without going through the system interconnect 40.