Applies to:AMBA AHB

Yes. A master can perform transfers other than IDLE when it had not requested the bus. Please note that in this case it is still recommended that the master asserts its request signal so that the arbiter does not change ownership of the bus to a lower priority master while the transfers are in progress.

See also:

• AMBA 2.0 Specification
• When should a master deassert its HBUSREQ signal?
• If a master is currently granted the bus by default, how many cycles before starting an non-IDLE transfer does it have to assert HBUSREQ?
• Does the address have to be aligned, even for IDLE transfers?

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