| 摘要 |
PROBLEM TO BE SOLVED: To realize efficient transfer of data, and to properly transfer data even when there are a plurality of reception and transmission side devices, and to properly work out countermeasures to the error of data transfer. SOLUTION: In accordance with a control command from a bus master 10, transfer data are transmitted/received through a bus 10 to/from an application 20 instructed by the control command. Output of the control command and transmission/reception of the transfer data are performed in a packet format so that the efficient transfer of data can be achieved. When any error is generated in the output processing of the control command or the transmission/reception processing of the transfer data, retry of the processing is performed as countermeasures to the transmission error. COPYRIGHT: (C)2003,JPO
|
