System on chip and electronic system including the same

摘要

A system on chip (SoC) includes a first display subsystem configured to perform first and second imaging functions and a second display subsystem configured to only perform the first imaging function. The SoC is configured to activate one of the display subsystems and deactivate the other display subsystem based on a comparison of a current frame of image data and a previous frame of image data.

主权项

1. A system on chip (SOC), comprising:
a frame buffer configured to store input image data in units of frames and configured to provide internal image data in units of frames, the internal image data corresponding to the input image data; a mode detector configured to generate a mode detection signal based on the input image data, the mode detection signal representing an operation mode according to power consumption; a first display subsystem configured to be selectively activated based on the mode detection signal to generate first image data and generate a first control signal based on the internal image data provided from the frame buffer in units of frames and the mode detection signal; a second display subsystem configured to be activated complementarily with the first display subsystem based on the mode detection signal to generate second image data and generate a second control signal based on the internal image data provided from the frame buffer in units of frames and the mode detection signal; and an output buffer configured to provide output image data by selecting one of the first and second image data based on the mode detection signal and configured to provide an output control signal by selecting one of the first and second control signals based on the mode detection signal.