PROCESSING SYSTEM HAVING KEYWORD RECOGNITION SUB-SYSTEM WITH OR WITHOUT DMA DATA TRANSACTION
First Claim
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1. A processing system comprising:
- a keyword recognition sub-system comprising;
a processor, arranged to perform at least keyword recognition; and
a local memory device, accessible to the processor, wherein the local memory device is arranged to buffer at least data needed by the keyword recognition; and
a direct memory access (DMA) controller, interfacing between the local memory device of the keyword recognition sub-system and an external memory device, wherein the DMA controller is arranged to perform DMA data transaction between the local memory device and the external memory device.
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Abstract
A processing system has a keyword recognition sub-system and a direct memory access (DMA) controller. The keyword recognition sub-system has a processor and a local memory device. The processor performs at least keyword recognition. The local memory device is accessible to the processor and is arranged to buffer at least data needed by the keyword recognition. The DMA controller interfaces between the local memory device of the keyword recognition sub-system and an external memory device, and is arranged to perform DMA data transaction between the local memory device and the external memory device.
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Citations
23 Claims
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1. A processing system comprising:
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a keyword recognition sub-system comprising; a processor, arranged to perform at least keyword recognition; and a local memory device, accessible to the processor, wherein the local memory device is arranged to buffer at least data needed by the keyword recognition; and a direct memory access (DMA) controller, interfacing between the local memory device of the keyword recognition sub-system and an external memory device, wherein the DMA controller is arranged to perform DMA data transaction between the local memory device and the external memory device. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A processing system comprising:
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a keyword recognition sub-system comprising; a processor, arranged to perform at least keyword recognition; and a local memory device, accessible to the processor, wherein the local memory device is arranged to buffer data needed by the keyword recognition and data needed by an application. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23)
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Specification