Invention Application
- Patent Title: CONTROLLING CIRCUIT FOR AUTOMATICALLY ADJUSTING CLOCK FREQUENCY OF A CENTRAL PROCESSING UNIT
- Patent Title (中): 用于自动调整中央处理单元的时钟频率的控制电路
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Application No.: US11309533Application Date: 2006-08-18
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Publication No.: US20070076498A1Publication Date: 2007-04-05
- Inventor: DUEN-YI HO , SHOU-KUO HSU , CHUN-JEN CHEN
- Applicant: DUEN-YI HO , SHOU-KUO HSU , CHUN-JEN CHEN
- Applicant Address: TW Tu-Cheng
- Assignee: HON HAI PRECISION INDUSTRY CO., LTD.
- Current Assignee: HON HAI PRECISION INDUSTRY CO., LTD.
- Current Assignee Address: TW Tu-Cheng
- Priority: CN200510037032.X 20050902
- Main IPC: G11C7/02
- IPC: G11C7/02

Abstract:
A controlling circuit for automatically adjusting clock frequency of a CPU is provided. The controlling circuit includes: a current sensing circuit for converting a current signal of the CPU to a voltage signal; a voltage amplifying circuit for amplifying the voltage signal; a multi-stage switching circuit for converting the amplified voltage signal to switched signals; and a priority decoding circuit decoding the switched signals, the decoded switched signals being input to a clock generator of the CPU, and thereby adjusting the clock frequency of the CPU to fit different load on the CPU.
Public/Granted literature
- US07552353B2 Controlling circuit for automatically adjusting clock frequency of a central processing unit Public/Granted day:2009-06-23
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