Graphics processing microprocessor system having a master device communicate with a slave device

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United States of America Patent

PATENT NO 10331574
APP PUB NO 20130106870A1
SERIAL NO

13655483

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Abstract

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A slave device communicates with a host system via a host communications bus. The host system includes one processing unit that can act as bus master and send access requests for slave resources on the slave device via the communications bus. The slave device platform includes a memory management unit, a programmable central processing unit and one slave resource. The memory management unit acts as an address translating device, and accepts requests with virtual addresses from a master device on the host system, translates the virtual addresses used in the access request to the “internal” physical address of the slave's resources and forwards the access to the appropriate physical resource. When an address miss occurs in the memory management unit, it passes the handling of the access request over to the controlling CPU which executes software to then resolve the address miss and handle the access request.

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Patent Owner(s)

Patent OwnerAddress
ARM NORWAY ASOLAV TRYGGVASSONS GT 39-41 TRONDHEIM 7011

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Blazevic, Mario Lena, NO 17 330
Ljosland, Borgar Trondheim, NO 28 439
Nystad, Jorn Trondheim, NO 92 1385
Sorgard, Edvard Trondheim, NO 24 369

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