发明授权
US5109492A Microprocessor which terminates bus cycle when access address falls
within a predetermined processor system address space
失效
当访问地址落在预定的处理器系统地址空间内时终止总线周期的微处理器
- 专利标题: Microprocessor which terminates bus cycle when access address falls within a predetermined processor system address space
- 专利标题(中): 当访问地址落在预定的处理器系统地址空间内时终止总线周期的微处理器
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申请号: US84808申请日: 1987-08-13
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公开(公告)号: US5109492A公开(公告)日: 1992-04-28
- 发明人: Kouki Noguchi , Yoshimune Hagiwara , Kazuhiko Iwasaki , Hirokazu Aoki , Shigeru Shimada
- 申请人: Kouki Noguchi , Yoshimune Hagiwara , Kazuhiko Iwasaki , Hirokazu Aoki , Shigeru Shimada
- 申请人地址: JPX Tokyo
- 专利权人: Hitachi, Ltd.
- 当前专利权人: Hitachi, Ltd.
- 当前专利权人地址: JPX Tokyo
- 优先权: JPX61-219561 19860919; JPX61-223516 19860924
- 主分类号: G06F13/36
- IPC分类号: G06F13/36 ; G06F13/42
摘要:
A microprocessor suitable for a high speed processor system prevents extension of a bus cycle due to delay of generation of a bus cycle end signal and effectively utilizes a characteristic of a high speed accessable external device.
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