Portable handheld device with multi-core image processor
First Claim
Patent Images
1. A portable device comprising:
- an image sensor capable of generating signals carrying image data relating to an image sensed by the image sensor;
a multi-core processor for processing the image data;
a CPU associated with the multi-core processor and configured to load instructions into the multi-core processor;
a memory for storing the image data;
a data cache, wherein;
the CPU and the multi-core processor share the data cache;
the CPU and the multi-core processor and the data cache are integrated on a single chip; and
the memory is provided external to the single chip; and
an image sensor interface provided on the single chip, the image sensor interface for receiving the image data; and
a flash memory provided on the single chip, the flash memory configured to store a table of instructions, wherein;
the CPU is configured to load the multi-core processor with the instructions from the flash memory,the multi-core processor includes a plurality of processing units connected in parallel, andthe CPU is configured to start and stop each of the processing units.
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Abstract
According to an aspect of the disclosure, a portable handheld device includes a CPU for processing a script; a multi-core processor for processing an image, and a DRAM for storing image data. The CPU and the multi-core processor are integrated on one chip and share a data cache provided on the same chip. The DRAM is provided external to the chip. The portable handheld device further comprises a DRAM interface for receiving and sending data to the DRAM, the DRAM interface being provided on the same chip and sharing the data cache with the CPU and the multi-core processor.
1733 Citations
16 Claims
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1. A portable device comprising:
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an image sensor capable of generating signals carrying image data relating to an image sensed by the image sensor; a multi-core processor for processing the image data; a CPU associated with the multi-core processor and configured to load instructions into the multi-core processor; a memory for storing the image data; a data cache, wherein; the CPU and the multi-core processor share the data cache; the CPU and the multi-core processor and the data cache are integrated on a single chip; and the memory is provided external to the single chip; and an image sensor interface provided on the single chip, the image sensor interface for receiving the image data; and a flash memory provided on the single chip, the flash memory configured to store a table of instructions, wherein; the CPU is configured to load the multi-core processor with the instructions from the flash memory, the multi-core processor includes a plurality of processing units connected in parallel, and the CPU is configured to start and stop each of the processing units. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A portable device comprising:
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an image sensor configured to facilitate the generation of image data associated with a sensed image; and a one-chip microcontroller having integrated therein; an image sensor interface configured for receiving the image data; a multi-core processor configured for processing the image data; a central processing unit (CPU) associated with the multi-core processor and configured to load instructions into the multi-core processor; a flash memory configured to store a table of instructions; and an authentication interface, wherein; the CPU is configured to load the multi-core processor with the instructions from the flash memory, the multi-core processor includes a plurality of processing units connected in parallel, the CPU is configured to start and stop each of the processing units, and the authentication interface includes more than one port to connect to an on-device authentication chip and to another authentication chip used with another device. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16)
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Specification