Transcription of Omni ision Preliminary Datasheet Advanced Information
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Omni ision Preliminary Datasheet Advanced Information
2006 OmniVision Technologies, , VarioPixel, OmniVision, and the OmniVision logo are registered trademarks of OmniVision Technologies, , August 21, 2006 CameraChip is a trademark of OmniVision Technologies, specifications are subject to change without InformationPreliminary DatasheetOV7670/OV7171 CMOS VGA (640x480) CAMERACHIPTM SensorOmniision with OmniPixel TechnologyGeneral Description The OV7670/OV7171 CAMERACHIPTM image sensor is a lowvoltage CMOS device that provides the full functionality of asingle-chip VGA camera and image processor in a smallfootprint package. The OV7670/OV7171 provides full-frame,sub-sampled or windowed 8-bit images in a wide range offormats, controlled through the Serial Camera Control Bus(SCCB) product has an image array capable of operating at upto 30 frames per second (fps) in VGA with complete usercontrol over image quality, formatting and output datatransfer.
Image Sensor Array The OV7670/OV7171 sensor has an image array of 656 x 488 pixels for a total of 320,128 pixels, of which 640 x 480 pixels are active (307,200 pixels). Figure 3 shows a cross-section of the image sensor array. Figure 3 Image Sensor Array Timing Generator In general, the timing generator controls the following functions:
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