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- Performance of a bus
Posted by : Unknown
Thursday, May 14, 2015
Performance of a bus is defined by:
Transfer Time
a) The time taken for data to delivered in a single transaction.
Bandwidth
a) Units of bits per second (bps).
b) Product of the number of bits that can be transferred in parallel in any one transaction by the number of transactions that can occur in one second.
PCI Bus Performance
Burst Mode
a) The PCI bus can transfer information in a burst mode, where after an initial address is provided multiple sets of data can be transmitted in a row.
Bus Mastering
a) PCI supports full bus mastering, which helps to improve performance.
High Bandwidth Options
a) The PCI bus specification version 2.1 calls for expandability to 64 bits and 66MHz speed.
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