Samsung Electronics Co., Ltd.

Jong-Hyuck Hong

Kang-Min Lee

Yun-Ju Kwon

Tae-hong Park

Ji-Yong Yoon

An apparatus and method for adaptively changing clock frequencies of a Central Processing Unit (CPU) and a bus in a digital system are provided. The system includes an Adaptive Frequency Scaling (AFS) controller and a clock controller. The AFS controller determines whether to change a clock frequency of the CPU according to operation information of the CPU, and determines whether to change a clock frequency of the bus according to operation information of the bus. The clock controller generates a clock frequency of the CPU and a clock frequency of the bus according to the determination of the AFS controller.

Growing community of inventors

Suwon-si, South Korea

Jong-Hyuck Hong