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The Essentials Of Computer Organization And Architecture 4th Edition by Linda Null,Julia Lobur
Edition 4ISBN: 978-1284074482The Essentials Of Computer Organization And Architecture 4th Edition by Linda Null,Julia Lobur
Edition 4ISBN: 978-1284074482 Exercise 9
A generic DMA controller consists of the following components:
• Address generator
• Address bus interface
• Data bus interface
• Bus requestor
• Interrupt signal circuits
• Local peripheral controller
The local peripheral controller is the circuitry that the DMA uses to select among the peripherals connected to it. This circuit is activated right after the bus is requested. What is the purpose of each of the other components listed above, and when are they active? (Use Figure 7.6 as a guide.)
Reference of Figure 7.6:
• Address generator
• Address bus interface
• Data bus interface
• Bus requestor
• Interrupt signal circuits
• Local peripheral controller
The local peripheral controller is the circuitry that the DMA uses to select among the peripherals connected to it. This circuit is activated right after the bus is requested. What is the purpose of each of the other components listed above, and when are they active? (Use Figure 7.6 as a guide.)
Reference of Figure 7.6:
Explanation
Verified
Verified
DMA (Direct Memory Access):
The direct ...
The Essentials Of Computer Organization And Architecture 4th Edition by Linda Null,Julia Lobur
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