Patent ID: 8924753
Filing Date: 2014-12-30
Classification: G06F,Y02D

Abstract:
1. A system including a Central Processing Unit (CPU) and a bus, the system comprising: an Adaptive Frequency Scaling (AFS) controller for determining whether to change a clock frequency of the CPU according to operation information of the CPU, and for determining whether to change a clock frequency of the bus according to operation information of the bus; and a clock controller for generating the clock frequency of the CPU and the clock frequency of the bus according to the determination of the AFS controller, wherein, when the AFS controller determines to increase the clock frequency of the bus into a first value, the AFS controller requests the clock controller to change the clock frequency of the bus to the first value and the clock frequency of the CPU to a value greater than or equal to the first value when the first value is greater than a current clock frequency of the CPU.