发明授权
- 专利标题: Bus control device
- 专利标题(中): 总线控制装置
-
申请号: US12466260申请日: 2009-05-14
-
公开(公告)号: US07895388B2公开(公告)日: 2011-02-22
- 发明人: Katsuhiko Yanagawa
- 申请人: Katsuhiko Yanagawa
- 申请人地址: JP Tokyo
- 专利权人: Canon Kabushiki Kaisha
- 当前专利权人: Canon Kabushiki Kaisha
- 当前专利权人地址: JP Tokyo
- 代理机构: Canon U.S.A., Inc. I.P. Division
- 优先权: JP2008-155359 20080613
- 主分类号: G06F13/42
- IPC分类号: G06F13/42
摘要:
A bus control device includes a multiplexer which connects a ROM controller to a common bus when a ROM mode is set and which connects a PCI controller to the common bus when a PCI mode is set. The bus control unit further includes a bus switch which disconnects a PCI bus from the common bus when the ROM mode is set and which connects the PCI bus to the common bus when the PCI mode is set.
公开/授权文献
- US20090313408A1 BUS CONTROL DEVICE 公开/授权日:2009-12-17
信息查询