Chip interfaces CCD camera to processor

Designed in conjunction with Polaroid Corp. and IBM Corp., the CS7620 analog front-end interface chip bridges the gap between a megapixel CCD camera and a back-end still camera processor. It incorporates a correlated double sampler, a DRX-enabled analog-to-digital converter, a timing generator, and two programmable digital-to-analog converters. Operational modes include snapshot mode for still pictures, preview mode for low-resolution mode, partial-master mode for vertical timing, and slave mode

Chip interfaces CCD camera to processor

Designed in conjunction with Polaroid Corp. and IBM Corp., the CS7620 analog front-end interface chip bridges the gap between a megapixel CCD camera and a back-end still camera processor. It incorporates a correlated double sampler, a DRX-enabled analog-to-digital converter, a timing generator, and two programmable digital-to-analog converters. Operational modes include snapshot mode for still pictures, preview mode for low-resolution mode, partial-master mode for vertical timing, and slave mode for vertical and horizontal timing. A programmable full-scale input range supports a range of CCD saturation voltages. Cirrus Logic Inc., 4210 S. Industrial Dr., Austin, TX 78744; (512) 445-7222; Fax: (512) 445-7581.

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