Altera Avalon Verification IP Suite Uživatelský manuál Strana 115

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Response DescriptorCollects information about completed transactions.
Figure 8-3: Block Diagram of the Avalon-ST Source BFM
Transaction Descriptor
Public
Events
Avalon-ST Source BFM API
(Transaction Level Commands)
Avalon-ST Interface
Physical Layer
Response Descriptor
Transaction
Queue
Pending
Response
Queue
Physical
Bus Driver
Physical
Bus Monior
valid
data
channel
startofpacket
endofpacket
error
empty
ready
push_transaction() pop_transaction()
Backpressure (ready)
Backpressure
latency
Signals
Events
Parameters
The Avalon-ST Source BFM supports all the of the signals defined for the Avalon-ST source interface. The
following table lists the parameters to customize the Avalon-ST Source interface.
Table 8-2: Parameters for the Avalon-ST Source BFM
DescriptionLegal
Values
Default
Value
Parameter
Port Enables
When On, the interface includes the startofpacket,
endofpacket, and empty signals.
On/OffOffInclude the signals to support
packets
When On, the interface includes channel pin or pins.On/OffOffUse the channel port
When On, the interface includes error pin or pins.On/OffOffUse the error port
When On, the interface includes a ready pin.On/OffOnUse the ready port
When On, the interface includes a valid pin.On/OffOnUse the valid port
When On, the interface includes empty pins.On/OffOffUse the empty port
Altera Corporation
Avalon-ST Source BFM
Send Feedback
8-3
Parameters
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