Processor memory having a dedicated port

Details Processor memory having a dedicated port Processor memory having a dedicated port

2007-01-09

2007-01-09

Bragdon, Reginald (Department: 2189)

Electrical computers and digital processing systems: memory

Storage accessing and control

Shared memory area

C711S005000, C711S131000, C711S148000, C711S150000, C710S036000, C710S107000

Reexamination Certificate

active

10753052

ABSTRACT:
Methods and apparatus are provided for closely coupling a dedicated memory port to a processor core while allowing external components access to the dedicated memory. A processor core such as a processor core on a programmable chip is provided with dedicated read access to a dual ported memory. Write access is arbitrated between processor core write access and read/write access by external components. A dedicated memory port is particularly beneficial in digital signal processing applications.

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David A. Patterson and John L. Hennessy, Computer Architecture A Quantitative Approach, 1996, Morgan Kaufmann Publishers, Inc., Second Edition, pp. 430-438.
EventHelix.com, “DMA and Interrupt Handling”, 2000-2005, 4 pages.

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