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Proceedings Paper

Versatile sensor interface for programmable vision systems-on-chip
Author(s): Angel Rodriguez-Vazquez; Gustavo Linan; Elisenda Roca; Servando Espejo; Rafael Dominguez-Castro
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Paper Abstract

This paper describes an optical sensor interface designed for a programmable mixed-signal vision chip. This chip has been designed and manufactured in a standard 0.35μm n-well CMOS technology with one poly layer and five metal layers. It contains a digital shell for control and data interchange, and a central array of 128 × 128 identical cells, each cell corresponding to a pixel. Die size is 11.885 × 12.230mm2 and cell size is 75.7μm × 73.3μm. Each cell contains 198 transistors dedicated to functions like processing, storage, and sensing. The system is oriented to real-time, single-chip image acquisition and processing. Since each pixel performs the basic functions of sensing, processing and storage, data transferences are fully parallel (image-wide). The programmability of the processing functions enables the realization of complex image processing functions based on the sequential application of simpler operations. This paper provides a general overview of the system architecture and functionality, with special emphasis on the optical interface.

Paper Details

Date Published: 16 May 2003
PDF: 10 pages
Proc. SPIE 5017, Sensors and Camera Systems for Scientific, Industrial, and Digital Photography Applications IV, (16 May 2003); doi: 10.1117/12.476791
Show Author Affiliations
Angel Rodriguez-Vazquez, Instituto de Microelectronica de Sevilla (Spain)
Gustavo Linan, Instituto de Microelectronica de Sevilla (Spain)
Elisenda Roca, Instituto de Microelectronica de Sevilla (Spain)
Servando Espejo, Instituto de Microelectronica de Sevilla (Spain)
Rafael Dominguez-Castro, Instituto de Microelectronica de Sevilla (Spain)


Published in SPIE Proceedings Vol. 5017:
Sensors and Camera Systems for Scientific, Industrial, and Digital Photography Applications IV
Nitin Sampat; Ricardo J. Motta; Morley M. Blouke; Nitin Sampat; Ricardo J. Motta, Editor(s)

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