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VP7615 数据表(PDF) 1 Page - Mitel Networks Corporation |
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VP7615 数据表(HTML) 1 Page - Mitel Networks Corporation |
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1 / 25 page  The VP7615 iCamHost™ Processor chip can decode the signals from a variety of iVision™ compatible digital video cameras (such as Silicon Vision’s iCam™) and process them for use in a host computer system. Digital cameras can offer real cost and performance gains in applications which require a digital video input, and iVision technology realises both these benefits. In a typical analog camera the digitised output from the CCD imager is normally encoded into an analog composite video signal which then has to be re- digitised at the input to the host system. By employing the iVision approach the output from the camera is maintained as a digital signal, but in a format which allows for a low cost 9- wire connection to the host. Eliminating the unnecessary conversion to an analog signal and back again not only saves cost, but also avoids any possible degradation of image quality. Other benefits include direct control of the camera from the host and the ability to power the camera from the host system so saving the cost of a separate power supply. The VP7615 supports two software selectable CamPort™ interface ports, either of which can receive the digital video from an iVision™ compatible digital video camera. The output is a standard colour digital video signal, similar to standard composite analog-digital decoder chips such as the Philips SAA7110 and SAA7111. All iCamHost™ operating modes are controlled by the host PC via an I2C interface. Hardware I/O controls include output enable and I2C address offset. NOTE: iCamTM, CamPort™ and iCamHost™ are trademarks of Silicon Vision, Inc., Fremont, CA ORDERING INFORMATION VP7615 CG FP1N FEATURES I Accommodates different camera configurations based on a variety of CCD imager resolutions I Requires only a small, low-cost 9 pin mini-DIN to connect to camera I Receives the image signal from the camera in digital form at a frame rate determined by the host I Decodes all necessary synchronisation and clock signals from the digital data stream I Programmable gamma correction curve in RGB colourspace I Programmable colour-separation matrix I Collects image status data within user-defined rectangular gated zone of CCD sensor I Programmable horizontal and vertical aperture correction I Pin-strap selectable output format in 16 bit YUV 4:2:2 or 8 bit CCIR 656 YUV 4:2:2 I Test pattern generator for SMPTE colourbars I Bypass mode to output unprocessed 8 bit CCD pixel samples in the luminance channel I Dual iCamPort™ camera input ports, software selectable I Completely iVision™ Compatible I Eight general purpose I/O pins for board level configuration control and/or status I Programmable polarity for HSYNC, VSYNC, HACT & VACT control outputs I Chip pinout is backwards compatible with VP7610 VP7615 Colour Digital Video Camera Decoder IC Advance Information Supersedes February 1997 edition, DS4602 - 2.4 DS4602 - 3.1 August 1997 |
类似零件编号 - VP7615 |
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类似说明 - VP7615 |
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