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8257 DMA Controller Architecture Explained by LAVANYA DURAISAMY is a document available to read on EtoBox.
What is 8257 DMA Controller Architecture Explained about?
The document describes the Intel 8257 DMA controller, which allows peripheral devices to directly access system memory without CPU interference. It has 4 independent DMA channels that can request access through DRQ lines. Each channel has registers for the starting address and transfer count. The mode register controls channel enabling and operation modes. Status is provided through status and terminal count registers.
- Author
- LAVANYA DURAISAMY
- Language
- EN