Image processing apparatus

Details Image processing apparatus Image processing apparatus

G - Physics

06

T

G06T 1/00 (2006.01) G06F 12/00 (2006.01) G06F 13/00 (2006.01) G06F 15/78 (2006.01) G06T 1/20 (2006.01) G06T 11/00 (2006.01) G09G 1/16 (2006.01) G09G 5/20 (2006.01) G09G 5/393 (2006.01) G09G 5/395 (2006.01) H01L 27/10 (2006.01) G06T 15/00 (2006.01)

Patent

CA 2274391

An image processing apparatus which can effectively use a storage circuit provided together with a logic circuit, perform high speed processing, and reduce the power consumption without causing a decline in the performance, wherein a DRAM for storing image data and a logic circuit are provided together on a semiconductor chip, the DRAM is divided into a plurality of DRAM modules, and the divided plurality of DRAM modules are arranged around a logic circuit portion for carrying out graphic drawing processing etc., whereby the ratio of valid data occupying bit lines in one access increases, the distances from the DRAM modules to the logic circuit portion become uniform, the length of the longest path interconnection can be made shorter comparing with the case of arrangement fixed in one direction, and the overall operating speed can be improved.

Appareil de traitement d'images pouvant utiliser efficacement un circuit de mémoire, de pair avec un circuit logique, effectuer un traitement à haute vitesse et réduire la consommation d'énergie, sans causer une baisse du rendement. On prévoit une mémoire vive dynamique (DRAM) pour stocker des données d'image et un circuit logique sur une microplaquette semi-conductrice. La DRAM est divisée en une pluralité de modules DRAM, lesquels sont disposés autour d'une partie du circuit logique pour assurer le traitement de dessins graphiques, etc. L'appareil permet ainsi d'augmenter le ratio de données valables occupant des lignes de bits dans un accès, d'uniformiser les distances entre les modules DRAM et la partie du circuit logique, de raccourcir le chemin d'interconnexion le plus long comparativement à un arrangement fixé dans un sens et d'améliorer la vitesse de fonctionnement globale.

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