Accueil >  Term: bus master
bus master

A program, usually in a separate I/O controller, that directs traffic on the computer bus or input/output paths. The bus master actually controls the bus paths on which the address and control signals flow. DMA is a simple form of bus mastering where the bus master controls I/O transfers between a device and system memory and then signals to the CPU when it has done so. See also DMA.

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