Parameters, Parameters –4 – Altera Avalon Verification IP Suite User Manual

Page 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 1–2

.

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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