Electrical computers and digital data processing systems: input/ – Input/output data processing – Peripheral adapting
Reexamination Certificate
2007-07-24
2007-07-24
Rinehart, Mark H. (Department: 2111)
Electrical computers and digital data processing systems: input/
Input/output data processing
Peripheral adapting
C710S317000
Reexamination Certificate
active
11047522
ABSTRACT:
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.
REFERENCES:
patent: 6044406 (2000-03-01), Barkey et al.
patent: 7042248 (2006-05-01), Hutton et al.
patent: 2005/0080953 (2005-04-01), Oner et al.
Check Mark Anthony
Drerup Bernard Charles
Grassi Michael
International Business Machines - Corporation
Knoll Clifford
Rinehart Mark H.
Truelson Roy W.
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