Apparatus for performing direct memory access with stride

Details Apparatus for performing direct memory access with stride Apparatus for performing direct memory access with stride

1992-04-27

1994-03-01

Dixon, Joseph L.

Boots, shoes, and leggings

3642422, 36424231, 3649272, 3649274, 36492763, 364DIG1, 364DIG2, 36523003, 395157, 395166, 345200, G06F 1200, G06F 1202, G06F 1206

Patent

active

052915824

ABSTRACT:
A direct memory access controller including apparatus for storing an address to which information is to be written or from which information is to be read, apparatus for storing data related to the address, apparatus for storing a value indicative of a width of a block of data to be transferred, apparatus for storing a value indicative of a total amount of information to be transferred, apparatus for storing a value indicating a number of addresses to be bypassed during a transfer, apparatus for incrementing the address while decrementing the value indicative of the width of the block and the value indicative of the total amount of information to be transferred until the width of the block has been crossed, and apparatus for changing the address by the value indicating a number of addresses to be bypassed during a transfer when the width of the block has been crossed, and apparatus for resetting the value indicative of a width of a block of data to be transferred to the original value when the width of the block has been crossed.

REFERENCES:
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patent: 5020003 (1991-05-01), Moshenberg
patent: 5148523 (1992-09-01), Harlin et al.
patent: 5157775 (1992-10-01), Sanger

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