Transferring digital data in units of 2 bytes to increase utiliz

Details Transferring digital data in units of 2 bytes to increase utiliz Transferring digital data in units of 2 bytes to increase utiliz

1995-06-07

1997-06-17

Swann, Tod R.

395854, 395850, 395307, 395843, G06F 1312

Patent

active

056406029

ABSTRACT:
A small computer system interface (SCSI) controller for continuously or intermittently performing communication of plural sets of data. The SCSI controller includes a data register for temporarily storing a set of data, a SCSI interface for transmitting the data stored in the data register in units of 2 bytes and for receiving data from another SCSI controller in units of 2 bytes, a byte counter for counting the number of bytes of data that is transmitted from or received by the SCSI interface, an internal processor for controlling initial setting of a target count value of the byte counter, and a transfer control circuit for controlling transmission of the data stored in the data register from the SCSI interface and reception of data by the data register via the SCSI interface. In data communication in units of 2 bytes, the SCSI controller can prevent transfer of dummy data that is ineffective, to thereby provide efficient data communication.

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