Altera Arria V Avalon-ST - Manual (Page 147)

Message
Root
Port
Endpoint
Generated by
Comments
App
Layer
Core Core
(with
App
Layer
input)
Deassert
_INTB
Receive Transmit No No No
Deassert
_INTC
Receive Transmit No No No
Deassert
_INTD
Receive Transmit No No No
Power Management Messages
Table 10-2: Power Management Messages
Message
Root
Port
Endpoi
nt
Generated by
Comments
App
Layer
Core Core (with App
Layer input)
PM_
Active_
State_
Nak
TX RX No Yes No —
PM_
PME
RX TX No No Yes —
PME_
Turn_
Off
TX RX No No Yes The
pme_to_cr
signal sends and
acknowledges this message:
• Root Port: When
pme_to_cr
is
asserted, the Root Port sends the
PME_turn_off
message.
• Endpoint: When
PME_to_cr
is
asserted, the Endpoint acknowl‐
edges the
PME_turn_off
message
by sending a
pme_to_ack
message to the Root Port.
PME_
TO_Ack
RX TX No No Yes —
10-2 Power Management Messages
2014.12.15
Altera Corporation Transaction Layer Protocol (TLP) Details
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