ARM Technical Support Knowledge Articles

General: When a master rebuilds a burst which has been terminated early are there any limitations on how it rebuilds the burst?

Applies to: AHB

Answer

The only limitation is that the master uses legal burst combinations to rebuild the burst. For example, if a master was performing an 8 beat burst, but had only completed 3 transfers before losing control of the bus, then the remaining 5 transfers could be performed either by using a 1 beat SINGLE burst followed by a 4 beat INCR4 burst, or it could be performed using a 5 beat undefined length INCR burst.

For simplicity it is recommended that masters use INCR bursts to rebuild the remaining transfers.

See also:

Article last edited on: 2014-02-06 14:31:32

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