Process for converting frequency of central processing unit

The invention discloses a method for changing the frequency of the central processing unit, used for changing the operating frequency of a central processing unit from a first frequency to a second frequency, the electronic installation includes a display screen and a central processing unit, wherei...

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Bibliographic Details
Main Authors JIFENG LI, ZIYONG XU, SHIMING XU
Format Patent
LanguageChinese
English
Published 31.03.2004
Edition7
Subjects
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Summary:The invention discloses a method for changing the frequency of the central processing unit, used for changing the operating frequency of a central processing unit from a first frequency to a second frequency, the electronic installation includes a display screen and a central processing unit, wherein the display screen displays the image in accordance with a pixel clock outputted by the central processing unit. And the method comprises, lowering the pixel clock frequency, transforming the frequency for the central processing unit, and resuming the pixel clock frequency. 本发明公开了一种改变中央处理器频率的方法，用于一电子装置，用以将中央处理器的一运行频率由一第一频率改变至一第二频率，电子装置包括一显示屏幕及中央处理器，显示屏幕依据中央处理器输出的一像素时钟来显示影像，该方法包括：首先，降低像素时钟的频率；接着，转换中央处理器的频率；然后，恢复像素时钟的频率。
Bibliography:Application Number: CN2002144472