- 专利标题： Interface device for host device, interface device for slave device, host device, slave device, communication system and interface voltage switching method
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申请号： US13272534申请日： 2011-10-13
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公开(公告)号： US08212429B2公开(公告)日： 2012-07-03
- 发明人: Masayuki Toyama , Takaharu Yoshida , Keisuke Sakai
- 申请人： Masayuki Toyama , Takaharu Yoshida , Keisuke Sakai
- 申请人地址： JP Osaka
- 专利权人： Panasonic Corporation
- 当前专利权人： Panasonic Corporation
- 当前专利权人地址： JP Osaka
- 代理机构： Renner, Otto, Boisselle & Sklar, LLP
- 优先权： JP2008-049360 20080229
- 主分类号： G06F13/00
- IPC分类号： G06F13/00 ; G06F1/26
摘要：
A communication system in which an operating voltage can be selected from a plurality of interface voltages enables an interface voltage to be switched in a stable manner during operation of the system. When the interface voltage is to be switched, a host device (1) and a slave device (2) perform the switching while maintaining the signal level of buses in a stable manner. This structure enables the communication system to switch an interface voltage using a small number of signal lines.
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