发明授权
US5666551A Distributed data bus sequencing for a system bus with separate address
and data bus protocols
失效
用于具有单独地址和数据总线协议的系统总线的分布式数据总线排序
- 专利标题： Distributed data bus sequencing for a system bus with separate address and data bus protocols
- 专利标题（中）： 用于具有单独地址和数据总线协议的系统总线的分布式数据总线排序
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申请号： US590802申请日： 1996-01-24
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公开(公告)号： US5666551A公开(公告)日： 1997-09-09
- 发明人: David M. Fenwick , Denis J. Foley , Stephen R. Van Doren , David W. Hartwell , Elbert Bloom , Ricky C. Hetherington
- 申请人： David M. Fenwick , Denis J. Foley , Stephen R. Van Doren , David W. Hartwell , Elbert Bloom , Ricky C. Hetherington
- 申请人地址： MA Maynard
- 专利权人： Digital Equipment Corporation
- 当前专利权人： Digital Equipment Corporation
- 当前专利权人地址： MA Maynard
- 主分类号： G06F11/00
- IPC分类号： G06F11/00 ; G06F13/42 ; G06F13/00
摘要：
A data bus sequencer for use by nodes coupled to a system bus for associating data transactions and address transactions on the bus. A mechanism for tracking address and command transactions occurring on the bus produces, for each address and command transaction occurring on the address bus, a corresponding sequence number tag. Those sequence number tags corresponding to address and command transactions for which data transactions are to be initiated by the node are stored by the data bus sequencer. The data bus sequencer further includes circuitry for counting the number of data transactions occurring on the data bus, comparing the counted number of data transactions to the stored sequence number tags and initiating data transactions on the data bus in response to the comparison.
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