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• Response Descriptor—Collects 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

1 2 ... 110 111 112 113 114 115 116 117 118 119 120 ... 223 224

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