发明申请
- 专利标题： CLOCK FREQUENCY ADJUSTING CIRCUIT AND CLOCK FREQUENCY ADJUSTING METHOD THEREOF
- 专利标题（中）： 时钟频率调整电路及其频率调整方法
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申请号： US13290169申请日： 2011-11-07
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公开(公告)号： US20120051479A1公开(公告)日： 2012-03-01
- 发明人: Hsiang Sheng LIU , Kun Chih CHANG , Ching Chih CHEN , Chih Pin SUN
- 申请人： Hsiang Sheng LIU , Kun Chih CHANG , Ching Chih CHEN , Chih Pin SUN
- 申请人地址： TW Hsin-Chu
- 专利权人： PIXART IMAGING INC.
- 当前专利权人： PIXART IMAGING INC.
- 当前专利权人地址： TW Hsin-Chu
- 优先权： TW097117664 20080514; CN200810111074.7 20080613
- 主分类号： H04L7/00
- IPC分类号： H04L7/00
摘要：
A clock frequency adjusting method includes the steps of: calculating a phase difference between a local signal and SOF signals or EOP signals in an external signal; counting a count value of the phase difference based on a clock frequency of a local oscillator; and adjusting the clock frequency according to the count value. The present invention further provides a clock frequency adjusting circuit.
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