Electrical computers and digital processing systems: processing – Processing architecture – Microprocessor or multichip or multimodule processor having...
Reexamination Certificate
2011-04-12
2011-04-12
Kim, Kenneth S (Department: 2111)
Electrical computers and digital processing systems: processing
Processing architecture
Microprocessor or multichip or multimodule processor having...
C711S141000, C712S225000
Reexamination Certificate
active
07925862
ABSTRACT:
A coprocessor (14) may be used to perform one or more specialized operations that can be off-loaded from a primary or general purpose processor (12). It is important to allow efficient communication and interfacing between the processor (12) and the coprocessor (14). In one embodiment, a coprocessor (14) generates and provides instructions (200, 220) to an instruction pipe (20) in the processor (12). Because the coprocessor (14) generated instructions are part of the standard instruction set of the processor (12), cache (70) coherency is easy to maintain. Also, circuitry (102) in coprocessor (14) may perform an operation on data while circuitry (106) in coprocessor (14) is concurrently generating processor instructions (200, 220).
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Moyer William C.
Traylor Kevin B.
Chiu Joanna G.
Freescale Semiconductor Inc.
Hill Susan C.
Kim Kenneth S
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