DATA TRANSFER METHOD IN BUS INTERFACE AND BUS INTERFACE

摘要

PROBLEM TO BE SOLVED: To perform proper data transfer under consideration of the priority of transfer data even when there are a plurality of transfer data.;SOLUTION: In accordance with a control command from a bus master 10, transmission and reception of transfer data are performed through the bus 10 to/from an application 20 instructed by the control command. The bus master 10 decides the order of the transfer of each transfer data on the basis of the information of the priority of each transfer data included in status data obtained from the transmission side application 20, and controls the transmission side application 20 so that the data transfer can be performed according to the order. Thus, even when there are a plurality of transfer data, proper data transfer under consideration of the priority can be performed.;COPYRIGHT: (C)2003,JPO