INTERFACE DEVICE AND PACKET TRANSFER METHOD

摘要

<P>PROBLEM TO BE SOLVED: To provide an interface device and a packet transfer method for receiving the next command without canceling the command in execution during data transfer. Ž<P>SOLUTION: In this interface device and the packet transfer method, the last data before stopping input due to an error remains in an FIFO 60 for transmission even if the uncorrectable error being unable to be corrected in data occurs while the read data for packet transfer is input into an interface circuit unit 30 in a hard disk controller 28 being a device side for a host computer 11 and the input of the data is stopped, and an error transfer end transfer control unit 184 outputs the data remaining in the FIFO 60 for transmission into a link layer 44 as the last data based on the detection of the error together with a tail signal to finish the packet data and transfer a packet of the data obtained till the occurrence of the error into the host computer 11. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž