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1. 发明公开

EP0384621A2 Data transfer operations between two asynchronous buses 失效
标题翻译： Bussen的Datenübertragungsbetriebzwischen zwei asynchronen。
公开(公告)号：EP0384621A2
公开(公告)日：1990-08-29
申请号：EP90301394.4
申请日：1990-02-09
申请人： DATA GENERAL CORPORATION
发明人： Gallo, Paul Samuel , Goodman, R.W.Benjamin , Krantz, Lawrence L. , McLoughlin, Kathleen A. , Wagner, Eric M.
IPC分类号： G06F13/36
CPC分类号： G06F13/36 , G06F13/4031
摘要： A system for permitting data transfers between a high speed bus and a low speed bus which operate independently and asynchronously. When the low speed bus requires access to the high speed bus, the busy status of the latter bus is determined and transfers are made to the high speed bus at high speed when such bus is not busy. When the high speed bus requires access to the low speed bus, if the low speed bus is busy the requesting master on the high speed bus is temporarily placed in a pending status and is removed from its tenure on the high speed bus, so that the high speed bus is free to handle other requests. When the low speed bus is free, the highest priority pending requestor is provided access to the low speed bus on a priority basis over all then-current requestors.
摘要翻译：允许在独立和异步运行的高速总线和低速总线之间进行数据传输的系统。当低速总线需要访问高速总线时，确定后一个总线的忙碌状态，并且当这种总线不忙时，高速总线高速传输。当高速总线需要访问低速总线时，如果低速总线忙，则高速总线上的请求主机暂时处于挂起状态，并从高速总线上的任务中移除，以便高速巴士可以自由处理其他要求。当低速总线空闲时，优先级最高的请求者提供对所有当前请求者的优先级访问低速总线。

2. 发明公开

EP0384621A3 Data transfer operations between two asynchronous buses 失效
标题翻译：两台异地客车之间的数据传输操作
公开(公告)号：EP0384621A3
公开(公告)日：1991-03-06
申请号：EP90301394.4
申请日：1990-02-09
申请人： DATA GENERAL CORPORATION
发明人： Gallo, Paul Samuel , Goodman, R.W.Benjamin , Krantz, Lawrence L. , McLoughlin, Kathleen A. , Wagner, Eric M.
IPC分类号： G06F13/36
CPC分类号： G06F13/36 , G06F13/4031
摘要： A system for permitting data transfers between a high speed bus and a low speed bus which operate independently and asynchronously. When the low speed bus requires access to the high speed bus, the busy status of the latter bus is determined and transfers are made to the high speed bus at high speed when such bus is not busy. When the high speed bus requires access to the low speed bus, if the low speed bus is busy the requesting master on the high speed bus is temporarily placed in a pending status and is removed from its tenure on the high speed bus, so that the high speed bus is free to handle other requests. When the low speed bus is free, the highest priority pending requestor is provided access to the low speed bus on a priority basis over all then-current requestors.

3. 发明授权

EP0384621B1 Data transfer operations between two asynchronous buses 失效
标题翻译：两个异步总线之间的数据传输操作
公开(公告)号：EP0384621B1
公开(公告)日：1997-05-14
申请号：EP90301394.4
申请日：1990-02-09
申请人： DATA GENERAL CORPORATION
发明人： Gallo, Paul Samuel , Goodman, R.W.Benjamin , Krantz, Lawrence L. , McLoughlin, Kathleen A. , Wagner, Eric M.
IPC分类号： G06F13/36
CPC分类号： G06F13/36 , G06F13/4031

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