| 摘要 |
PROBLEM TO BE SOLVED: To solve the problem wherein, relating to a communication system such as USB system, the device equipment not related to data transmission/reception wastes power when data transmission/reception continues between a host equipment and a specified device equipment. SOLUTION: A host equipment 100 transmits a specified token packet containing the address information ADDR11402 of a first device equipment and a general token transmission time 201 calculated on the basis of scheduled execution time of a plurality of transactions to a plurality of device equipments 110, if it performs continuously a plurality of transactions with a first device equipment contained in the plurality of device equipments 110. The first device equipment receives the specified token packet for a plurality of transactions. The plurality of device equipments 110 except for the first device equipment receive the specified token packet, and shifts into a pause state until a general token transmission time 201. After the general token transmission time 201 has passed, it shifts into a reception waiting state. COPYRIGHT: (C)2006,JPO&NCIPI
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