Handheld imaging device with system-on-chip microcontroller incorporating on shared wafer image processor and image sensor

摘要

A handheld imaging device includes an image sensor for sensing an image; and a micro-controller provided on a wafer substrate, the micro-controller integrating on the same wafer substrate as a system-on-chip device, a plurality of processing units and an image sensor interface for effecting data communication between the image sensor the plurality of processing units.

主权项

1. A portable imaging device, comprising:
an image sensor configured for generating signals carrying data related to an image sensed by the image sensor; a micro-controller provided on a wafer substrate; and a memory external to the micro-controller and configured for storing the data related to the image sensed by the image sensor; wherein the micro-controller comprises:
a plurality of processing units interconnected in parallel by a crossbar switch;an image sensor interface for effecting data communication between the image sensor and the plurality of processing units; anda data cache connected to the plurality of processing units via a plurality of buses;wherein the crossbar switch is separate from the plurality of buses,wherein each of the plurality of processing units includes two I/O address generators, and each I/O address generator is connected to a respective one of the plurality of buses, andwherein the two I/O address generators of each of the plurality of processing units are configured for controlling a transfer of the data related to the image sensed by the image sensor from the image sensor interface to and from the memory.