Invention Grant
US08552786B1 System and method of adjusting current drawn by an integrated circuit based on frequencies of clock signals 有权
基于时钟信号的频率调整由集成电路吸取的电流的系统和方法

System and method of adjusting current drawn by an integrated circuit based on frequencies of clock signals
Abstract:
A system including a first clock module, a second clock module and an adjustment module. The first clock module is configured to generate a first clock signal having a first frequency. The second clock module is configured to, based on the first clock signal, generate a second clock signal for an integrated circuit. An amount of current drawn by the integrated circuit is based on a second frequency of the second clock signal. An adjustment module is configured to receive an enable signal indicating whether the integrated circuit is being powered ON. In response to the enable signal indicating the integrated circuit is being powered ON, the adjustment module (i) determines a predetermined frequency, and (ii) generate a control signal based on the first clock signal. The control signal adjusts the second frequency of the second clock signal to be between the predetermined frequency and the first frequency.
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