Burst read - PowerPoint PPT Presentation

What is a bus?

What is a bus?. Slow vehicle that many people ride together well, true... A bunch of wires. Processor. Input. Control. Memory. Datapath. Output. A Bus is:. a shared communication link a single set of wires used to connect multiple subsystems

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Bus Interfacing

Bus Interfacing. Processor-Memory Bus High speed memory bus Backplane Bus Processor-Interface bus This is what we usually mean by “the bus” ISA/PCI/VME I/O Bus Standard Interfaces SCSI, ATAPI. Processor-Memory Bus. This bus connects the CPU to RAM Designed for maximal bandwidth

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485 views • 18 slides

Burst read

Burst read. Valid high until ready high. The valid-ready handshake regulates data transfer. This is clearly a split transaction bus!. Overlapping burst read. Address of second burst issued: True outstanding transactions. Burst write. Ordering restrictions. AXI.

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170 views • 14 slides

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