Method and apparatus for interval DMA transfer access

Details Method and apparatus for interval DMA transfer access Method and apparatus for interval DMA transfer access

2008-06-03

2008-06-03

Plante, Jonathan R (Department: 2182)

Electrical computers and digital data processing systems: input/

Input/output data processing

Direct memory accessing

C718S102000, C710S022000, C710S025000, C710S058000, C710S107000, C710S120000

Reexamination Certificate

active

07383363

ABSTRACT:
A method for intervaled memory transfer access provides periodic authorization signals to a memory access controller. The method cycles between: 1) inhibiting the memory access controller from writing data to a memory until the memory access controller receives a periodic authorization signal to cause the memory access controller to remove the inhibition and write a predetermined amount of data to the memory through a data bus, and 2) releasing the data bus following writing of the predetermined amount of data to the memory by inhibiting the memory access controller from writing further data.

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