| 摘要 |
PURPOSE: A data routing device using a processor is provided to make a board in which data are routed by a processor read only necessary data and transmit the data promptly, that is, make a routing be processed rapidly. CONSTITUTION: A memory(21) stores data. A CPU(22) reads only necessary data from the memory(21). 'A' port(24) receives data from the CPU(22) and transmits the data to 'B' port(25). The 'B' port(25) receives data from the 'A' port(24). A FIFO(First-in First-out) unit(26) checks data being transmitted/received between the 'A' port(24) and the 'B' port(25), and deletes or records the data. A control unit(23) generally controls the above elements.
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