Abstract
The system selected OmniVisiON company's CMOS chip OV7620, it is an integrated color camera chip, a 640 × 480 (300,000 pixels) image matrix. Considered that the CPLD control system is similar to the DMA mode of data transmission; Cypress's USB 2.0 chip is used by CY7C68013 chip. Finally, it is become the microcontroller firmware and device driver. The paper presents the design of Image acquisition system based on CMOS image sensor USB interface. Design an image acquisition and transmission system, and describes its firmware as well as the development of USB device drivers and PC-side application.
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