UMBC CMSC 313, Computer Organization & Assembly Language, Fall 2004, Section 0101

Cache Memory, I/O

Tuesday 12/07, 2004

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Assigned Reading in Murdocca & Heuring:  7.6, 8.1-8.3

Assigned Reading in Neveln:   

Assigned:  DigSim3

Due:  HW5

Slides (in PDF): Slides26.pdf

Topics Covered:

• Discussed DigSim Assignment 3.
• Cache memory and why burst reads from SDRAM are useful.
• Systems with virtual memory and cache memory.
• Basic issues in I/O. System bus.
• I/O architectures: programmed I/O (polling), interrupts, Direct Memory Access (DMA).