Error detection and recovery in a DMA controller

Details Error detection and recovery in a DMA controller Error detection and recovery in a DMA controller

1991-10-15

1994-07-26

Richardson, Robert L.

395425, 395575, G06F 1300

Patent

active

053332741

ABSTRACT:
A DMA controller with error circuitry which detects DMA error conditions is disclosed. The error circuitry causes the DMA controller to perform completion tasks before terminating a DMA transfer, advantageously providing a DMA controller which may exit gracefully upon detection of an error condition with the potential of error recovery.

REFERENCES:
patent: 4493035 (1985-01-01), MacGregor et al.
patent: 4607366 (1986-08-01), Stadlmeier et al.
patent: 4797853 (1989-01-01), Savage et al.
patent: 4837677 (1989-06-01), Burrus, Jr. et al.
patent: 4891810 (1990-01-01), de Corlieu et al.
patent: 4959782 (1990-09-01), Tulpule et al.

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