
May 2011 Altera Corporation Avalon Verification IP Suite User Guide
2. Tri-State Conduit BFM
You can use the Tri-State Conduit BFM to verify the following aspects of Avalon-TC
interfaces:
■ Port compatibility and polarity
■ Legal port widths
1 The Tri-State Conduit BFM is only supported in Qsys.
Block Diagram
Figure 2–1 shows a block diagram of a Tri-State Conduit BFM connected to an
external component using an Avalon-TC interface.
Figure 2–1. Conduit BFM Block Diagram
Tri-State Conduit BFM Component
role: “request”
dir: input
width: 32
role: “grant”
dir: output
width: 17
External Component
role: “request”
dir: output
width: 32
role: “grant”
dir: input
width: 17
role: “red_out”
dir: output
width: 8
role: “red_outen”
dir: output
width: 8
role: “red_in”
dir: input
width: 8
role: “blue_out”
dir: output
width: 8
role: “blue_outen”
dir: output
width: 8
role: “blue_in”
dir: input
width: 8
role: “red_out”
dir: input
width: 8
role: “red_outen”
dir: input
width: 8
role: “red_in”
dir: output
width: 8
role: “blue_out”
dir: input
width: 8
role: “blue_outen”
dir: input
width: 8
role: “blue_in”
dir: output
width: 8
Top Level Design
Avalon-TC Interface
Clock
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