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Internal data bus interconnection mechanism utilizing central interconnection module converting data in different alignment domains
Internal data bus interconnection mechanism utilizing central interconnection module converting data in different alignment domains
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机译:内部数据总线互连机制利用中央互连模块转换不同对齐域中的数据
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摘要
An integrated circuit chip includes multiple functional components and a central interconnect (CI) module. Each functional component communicates with the CI module via a respective internal bus sharing a common architecture which does not dictate any particular data alignment. The chip architecture defines an alignment mechanism within the CI module, which performs any required alignment of transmitted data. Alignment mechanism design parameters can be varied to accommodate different alignment domains of different functional components. Preferably, the common bus architecture supports multiple internal bus widths, the CI module performing any required bus width conversion. Preferably, for certain transactions not containing a data address, correct alignment is obtained by placing restrictions on transaction size and boundaries, and duplicating certain data on different alignment boundaries. The use of a common bus protocol and CI module having alignment capability streamlines the design process and reduces the overhead of alignment conversion.
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