Direct memory access device

Details Direct memory access device Direct memory access device

2005-04-19

2005-04-19

Gaffin, Jeffrey (Department: 2182)

Electrical computers and digital data processing systems: input/

Input/output data processing

Direct memory accessing

C710S026000

Reexamination Certificate

active

06883041

ABSTRACT:
A direct memory access device is provided which includes: a designation unit for designating transfer modes, when receiving an instruction to transfer data, to perform byte transfers or word transfers for first and last data of the data and word transfers for all other data; and a transfer unit for performing a data transfer by direct memory access from a data transfer source to a data transfer destination by the designated transfer modes.

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