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Management of stack-based memory usage in a processor

Image Number 3 for United States Patent #7330937.

A method is disclosed that comprises determining whether a data subsystem is to operate as cache memory or as scratchpad memory in which line fetches from external memory are suppressed and programming a control bit to cause the data subsystem to be operated as either a cache or scratchpad memory depending on the determination. Other embodiments are disclosed herein as well.

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