A handful of DMA topics
Posted Jun 24, 2004 14:30 UTC (Thu) by mmarkov
Parent article: A handful of DMA topics
Meanwhile, Ian Molton turned up a different sort of problem. Some types of interfaces have their own onboard memory. This memory is, often, accessible to the CPU,
How does the CPU access this memory? Via the data bus?
What addresses does it use -- and aren't all the valid
addresses refering to the RAM?
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