Transmission apparatus and tramsmission method

G - Physics – 06 – F

Patent

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G06F 13/24 (2006.01) G06F 13/12 (2006.01)

Patent

CA 2448925

A small-sized and low-cost transmission apparatus (having a high responsibility) which transmits an interrupt signal with a small number of input/output terminals (with no exclusive lines for interrupt signals) and a transmission method. A first transmission apparatus comprises a central processing unit which carries out interruption according to an interruption signal, an input/output section having at least one data line for transmitting a data signal between a second transmission apparatus and the first transmission apparatus and for transmitting the interrupt signal from the second transmission apparatus to the first transmission apparatus, and an interrupt signal sensing section which senses an interrupt signal from among signals transmitted from the second transmission apparatus through the data line.

L'invention a trait à un dispositif de transmission (très sensible), de petites dimensions et peu coûteux, qui émet un signal d'interruption à l'aide d'un petit nombre de bornes d'entrée/sortie (sans lignes exclusives pour les signaux d'interruption) et à un procédé de transmission. Un premier dispositif de transmission comprend une unité centrale de traitement qui exécute l'interruption en fonction d'un signal d'interruption ; une partie d'entrée/sortie comportant au moins une ligne de données pour transmettre un signal de données entre un deuxième dispositif de transmission et le premier dispositif de transmission et qui sert à transmettre le signal d'interruption, du deuxième dispositif de transmission vers le premier dispositif de transmission ; et une partie de détection de signal d'interruption qui détecte un signal d'interruption parmi les signaux émis par le deuxième dispositif de transmission sur la ligne de données.

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