发明授权
US5734878A Microcomputer in which a CPU is operated on the basis of a clock signal
input into one of two clock terminals
失效
基于输入到两个时钟端子之一的时钟信号来操作CPU的微计算机
- 专利标题： Microcomputer in which a CPU is operated on the basis of a clock signal input into one of two clock terminals
- 专利标题（中）： 基于输入到两个时钟端子之一的时钟信号来操作CPU的微计算机
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申请号： US546126申请日： 1995-10-20
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公开(公告)号： US5734878A公开(公告)日： 1998-03-31
- 发明人: Katsunobu Hongo
- 申请人： Katsunobu Hongo
- 申请人地址： JPX Tokyo
- 专利权人： Mitsubishi Denki Kabushiki Kaisha
- 当前专利权人： Mitsubishi Denki Kabushiki Kaisha
- 当前专利权人地址： JPX Tokyo
- 优先权： JPX7-162569 19950628
- 主分类号： G06F15/78
- IPC分类号： G06F15/78 ; G06F1/06 ; G06F1/08 ; H01L21/82 ; H01L21/822 ; H01L27/04 ; G06F1/04
摘要：
A microcomputer constituted so that an oscillation state selection signal indicative of whether a clock inputted to a first clock terminal is a clock generated at a clock generating circuit is given to a first gate circuit interposed between a first clock terminal and a second clock terminal, and a first gate circuit is placed in the transmissible state when an oscillation state selection signal is on a first state while a first gate circuit is placed in a state not to be able to transmit a signal when the oscillation state selection signal is on a second state.
公开/授权文献
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