High-speed video serializer and deserializer

Details High-speed video serializer and deserializer High-speed video serializer and deserializer

H - Electricity

04

N

H04N 7/00 (2011.01) H04N 5/14 (2006.01)

Patent

CA 2719955

A high-speed video serializer has an X bit parallel input bus and a Y bit parallel output bus, where X and Y are multiples of one another (e.g., 2). A multiplexer is connected between the input bus and the output bus and is operated such that a frequency of the signals on the output bus is a multiple of the frequency of the signals on the input bus. A circuit provides a clock signal substantially in sync with the signals on the output bus. A high speed video deserializer is also disclosed as are methods of operating the serializer and deserializer.

L'invention concerne un convertisseur vidéo parallèle-série rapide doté dun bus dentrée parallèle sur X bits et dun bus de sortie parallèle sur Y bits, X et Y étant des multiples lun de lautre (par ex. 2). Un multiplexeur est branché entre le bus dentrée et le bus de sortie et est exploité de telle sorte quune fréquence des signaux circulant sur le bus de sortie soit un multiple de la fréquence des signaux circulant sur le bus dentrée. Un circuit fournit un signal dhorloge sensiblement en phase avec les signaux circulant sur le bus de sortie. L'invention concerne également un convertisseur vidéo série-parallèle rapide ainsi que des procédés dexploitation des convertisseurs parallèle-série et série-parallèle.

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