| 摘要 |
An ATA interface apparatus (Fig. 5), within a storage system, for controlling the transfer of sectors of data between a host processor and a buffer (11) within the storage system in response to READ and WRITE command issued by the host processor, the apparatus (Fig. 5) comprising a Byte Count State Machine (4) for controlling the transfer of sectors of data between the host processor and the buffer (11), an Update Task File State Machine (5) having a machine cycle for decrementing by one the number of sectors still to be transferred after a sector has been transferred by the Byte Count State Machine (4), a Read State Machine (6) for controlling the processing of all READ commands issued by the host to the storage system and a Write State Machine (7) for controlling the processing of all WRITE commands issued by the host to the storage system.
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