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Participant blackops
Participant
2,471 Views
Registered: ‎01-03-2009

Difference between PLB_PAValid and PLB_SAValid

Hello guys,

could you tell me please the difference between PLB_PAValid and PLB_SAValid signals? One is primary address valid signal, and another is secondary address valid signal.

But why primary address and secondary address? What do they exactly mean? I know they are asserted by arbiter after the Request signal.. but in which case which one should be asserted?

thanks a lot in advance
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