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Relation between Hsel and Hready in AMBA AHB

Hi,

In my design I am having a scenario where my Hsel goes low during the data phase of a transfer and Hready goes high one cycle after that? (i.e hready high during address phase low during data phase and high again in the follwoing cycle 1->0 -> 1)

I wanted to know if this a valid scenario or a protocol violation?

Also is there any relation between Hsel assertion and Hmaster toggling?