Altera Avalon Verification IP Suite Manual do Utilizador Página 93

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1–4 Chapter 1: Avalon-ST Source BFM
Parameters
Avalon Verification IP Suite User Guide May 2011 Altera Corporation
Parameters
The Avalon-ST Source BFM supports all the of the signals defined for the Avalon-MM
source interface. You can customize the Avalon-ST Source interface using the
parameters described in Table 12.
Table 1–2. Parameters for the Avalon-ST Source BFM
Parameter
Default
Value
Legal
Values
Description
Port Enables
Include the signals to support
packets
Off On/Off
When On, the interface includes the
startofpacket
,
endofpacket
, and
empty
signals.
Use the channel port Off On/Off When On, the interface includes
channel
pin or pins.
Use the error port Off On/Off When On, the interface includes
error
pin or pins.
Use the ready port On On/Off When On, the interface includes a
ready
pin.
Use the valid port On On/Off When On, the interface includes a
valid
pin.
Use the empty port Off On/Off When On, the interface includes
empty
pins.
Port Widths
Symbol Width 8 1–1024
Data symbol width in bits. The symbol width should be 8 for
byte-oriented interfaces.
Number of symbols 4 1–1024 Specifies the number of symbols that are transferred per beat.
Width of the channel port 1 1–32 Specifies the width of the
channel
signal.
Width of the error port 1 1–1024 Specifies the width of the
error
signal.
Width of the empty port 1 1–1024 Specifies the width of the
empty
signal.
Timing Attributes
Ready latency 0 0–8
Specifies the delay between the
ready
and
valid
signals. Refer
to the Avalon Interface Specification for more information.
Number of beats per cycle 1 1–1024 Specifies the number of beats per cycle.
Channel Attributes
Max channel number 1
Specifies the maximum number of channels that the interface
supports.
API Streaming Interface (Note 1)
Width of API interface data signal 64 The width of the data signal.
Width of API return interface data
signal
64 The width of the return interface data signal.
Note to Table 1–2:
(1) This interface is required only for the Avalon-ST Source BFM with Avalon-ST API Wrapper which is used in mixed language simulations.
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