| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a data transmission system capable of delivering read requests to devices of an opposite party without any delay even if priority of transmission of read packets is lower than that of write packets, and to provide a read method for the data transmission system. <P>SOLUTION: In a request source device 10, a particular read request unit 13 includes a prescribed address of a memory 27 in a request destination device 20 at a write address, and generates a write packet for read request including an address of the memory 27 in a payload as a read address. In the request destination device 20, a particular read request response unit 26 detects the reception of the read request when data is written to a prescribed address of the memory 27, reads data from the read address of the memory 27 written to the prescribed address, and generates a write packet for read response including the read data in the payload. <P>COPYRIGHT: (C)2010,JPO&INPIT</p> |
