Patent ID: 6493784
Filing Date: 2002-12-10
Classification: G06F

Abstract:
A communication device, comprising:a multiple bus provided with plural channels over each of which a signal is transmitted; plural modules that send/receive a signal via the multiple bus; and an arbiter that arbitrates the right for the plural modules to use the multiple bus, wherein each of the plural modules makes a request for communication to the arbiter by sending communication request information in which one or more communication partners are specified to the arbiter when each communicates with another one or more modules; and the arbiter specifies an idle channel based upon received communication request information in case a communication partner specified based upon the communication request information is in an idle state in which new communication is possible and an idle channel over which new communication is possible exists in the multiple bus, and permits communication between a module which sends the communication request information and a module which is a communication partner specified in the communication request information using the specified idle channel.