@startuml

participant "XUA_AudioHub()" as xua
participant "adat_tx_port()" as adat

loop XUA_AudioHub() : while(1)
    xua -> adat : send master clock multiplier
    xua -> adat : send S/MUX
    xua -> adat : send block start address
    loop AudioHub_MainLoop : while(1)
        xua -> xua : assemble next samples block
        adat -> xua : handshake
        xua -> adat : send block start address
        alt sampling rate changed
        break AudioHub_MainLoop() returns
        end
    end
end
    adat -> xua : handshake
    xua -> adat : XS1_CT_END
end
@enduml
