Information processing apparatus and memory access arranging...

Electrical computers and digital processing systems: memory – Storage accessing and control – Access timing

Reexamination Certificate

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Details

C711S158000, C711S168000, C711S169000

Reexamination Certificate

active

07552301

ABSTRACT:
An information processing apparatus is provided which includes a processor for carrying out a pipeline processing over an instruction, a memory provided in the processor and input/output control means for giving access to the memory with a high priority, a memory access arranging method includes a step of causing a clock to be supplied to the processor to wait when a contention of access of the processor and the input/output control means to the memory is generated, a step of executing the access of the input/output control means to the memory, and a step of canceling the clock wait of the processor after ending the access of the input/output control means to the memory, and executing the access of the processor to the memory.

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European Search Report issued in corresponding European Patent Application No. 04001687.5-2210, dated Apr. 2, 2007.
Japanese Office Action with English Translation issued in Japanese Patent Application No. 2003-017437 dated on Apr. 10, 2008.

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