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A single-chip 16-bit 25-ns real-time video/image signal processor

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6 Author(s)
K. Kikuchi ; NEC Corp., Kawasaki, Japan ; Y. Nukada ; Y. Aoki ; T. Kanou
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A single-chip 16-b microprogrammable real-time video/image signal processor (VISP) has been developed for use in real-time motion picture encoding during low-bit-rate transmission for TV conference systems. In addition to stand-alone microprocessor functional units, the VISP integrates a high-speed variable seven-stage pipeline arithmetic circuit for video/image data processing and various controllers for easy I/O (input/output) and multiple-chip connections A 25-ns instruction cycle time is attained by using complementary reduced-swing CMOS logic circuits. The chip (14 mm×13.4 mm) was fabricated using a double-metal-layer 1.2-μm CMOS process technology and contains 220000 transistors

Published in:

IEEE Journal of Solid-State Circuits  (Volume:24 ,  Issue: 6 )