Apparatus for controlling data transfer between external interfa

Details Apparatus for controlling data transfer between external interfa Apparatus for controlling data transfer between external interfa

1994-08-02

1997-07-01

Lee, Thomas C.

395823, 395825, 395854, 395872, G06F 1300

Patent

active

056447876

ABSTRACT:
The present invention transfers data via a buffer memory between first and second external interfaces, on the basis of table data that is set in a table area by a CPU. The table data comprises a transfer start address, a transfer count, and a transfer count unit selection parameter. A transfer count setting section converts the transfer count on the basis of the original transfer count and the transfer count unit selection parameter, then sets the converted transfer count in a transfer count counter. A data transfer section transfers data within a range specified on The basis of the transfer start address and a count result of the transfer count counter.

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patent: 4628451 (1986-12-01), Sawada et al.
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patent: 5406425 (1995-04-01), Johnston et al.
patent: 5438665 (1995-08-01), Taniai et al.
patent: 5440739 (1995-08-01), Beck et al.
patent: 5469548 (1995-11-01), Callison et al.

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