Parameters, Parameters -2 – Altera Avalon Verification IP Suite User Manual
Page 138
Parameters
The Avalon-ST monitor supports the full range of signals defined for the Avalon-ST source and sink interfaces.
You can customize the Avalon-ST source and sink interfaces using the parameters described in the following
table.
Table 10-1: Parameters for the Avalon-ST Monitor BFM
Description
Legal
Values
Default
Value
Parameter
Port Widths
Data symbol width in bits. The symbol width should
be 8 for byte-oriented interfaces.
N/A
8
Symbol width
Numbers of symbols per word.
N/A
4
Number of symbols
Specifies the width of the
channel
signal in bits.
N/A
1
Width of the channel signal
Specifies the width of the
error
signal in bits.
N/A
1
Width of the error port
Specifies the width of the
empty
signal in bits.
N/A
1
Width of the empty port
Port Enables
When On, the interface includes a the
startofpacket
,
endofpacket
, and
empty
signals.
On/Off
On
Include the signals to support
packets
When On, the interface includes a
channel
pin.
On/Off
On
Use the channel port
When On, the interface includes
error
pins.
On/Off
On
Use the error port
When On, the interface includes
ready
pins.
On/Off
On
Use the ready port
When On, the interface includes
valid
pins.
On/Off
On
Use the valid port
When On, the interface includes a
empty
pin.
On/Off
On
Use the empty port
Timing Attributes
Specifies the
readyLatency
parameter for data
interfaces that support backpressure.
For more information, refer to the Avalon Interface
Specifications.
N/A
0
Ready latency
Specifies the number of beats per cycle.
1–1024
1
Number of beats per cycle
Channel Attributes
Specifies when a timeout will occur if a burst write
transfer has not completed.
N/A
1
Max Channel Number
Miscellaneous Properties
Specifies the maximum packet size.
N/A
1
Max Packet Size Covered
For VHDL BFMs only. Use this option to assign a
unique number to each BFM in the testbench design.
0–1023
0
VHDL BFM ID
Avalon-ST Monitor
Altera Corporation
Parameters
10-2