DIRECT MEMORY ACCESS CONTROLLER
A system has at least one bus, a central processing unit (CPU) coupled with the bus, a memory coupled with the bus, a direct memory access (DMA) controller having a plurality of DMA channels and operating independently from the CPU and being coupled with the bus, wherein for access to the bus the DM...
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Main Authors | , , , |
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Format | Patent |
Language | English Korean |
Published |
01.09.2009
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Subjects | |
Online Access | Get full text |
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Summary: | A system has at least one bus, a central processing unit (CPU) coupled with the bus, a memory coupled with the bus, a direct memory access (DMA) controller having a plurality of DMA channels and operating independently from the CPU and being coupled with the bus, wherein for access to the bus the DMA controller is programmable in a first mode to have priority over the CPU and in a second mode in which at least one DMA channel of the DMA controller is suspended from accessing the bus. |
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Bibliography: | Application Number: KR20097014787 |