发明授权
- 专利标题： Operation mode setting system for a microprocessor
- 专利标题（中）： 微处理器的运行模式设定系统
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申请号： US454258申请日： 1982-12-29
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公开(公告)号： US4604692A公开(公告)日： 1986-08-05
- 发明人: Joji Murakami
- 申请人： Joji Murakami
- 申请人地址： JPX Kanagawa
- 专利权人： Fujitsu Limited
- 当前专利权人： Fujitsu Limited
- 当前专利权人地址： JPX Kanagawa
- 优先权： JPX56-213710 19811229
- 主分类号： G06F3/023
- IPC分类号： G06F3/023 ; G01R31/317 ; G06F1/00 ; G06F1/24 ; G06F3/05 ; G06F9/30 ; G06F15/78 ; H03M11/14 ; G06F3/00
摘要：
An operation mode setting system is provided in a microprocessor operable in a plurality of operation modes. The operation mode setting system has a signal input line through which an analog voltage corresponding to any of the respective operation modes is applied to an analog-to-digital converter circuit which is built in the microprocessor. The output signal from the analog-to-digital converter circuit is decoded by a decoder, and the microprocessor is set at the predetermined operation mode in response to the decoded output signal.
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