Altera Avalon Verification IP Suite Manuale Utente Scaricare il pdf (Pagina 50)

The BFMs allow illegal response transactions so that you can test the error-handling functionality

of your DUT. Consequently, the BFMs cannot be relied upon to guarantee protocol compliance. The

Avalon Monitor components verify protocol compliance.

Figure 6-1: Top-Level Module to Verify an Avalon-MM Master

Testbench

HDL

Avalon-MM

read or write

response or

waitrequest

Test Program

Avalon-MM

Slave BFM

DUT

Avalon-MM

Master

Note:

Related Information

Avalon Interface Specifications

Timing

The following timing diagram illustrates the sequence of events for an Avalon-MM Slave BFM. It shows the

slave BFM responding to interleaved writes and reads when the readdatavalid signal is present.

Avalon-MM Slave BFM

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Timing

6-2

1 2 ... 45 46 47 48 49 50 51 52 53 54 55 ... 223 224

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Altera Avalon Verification IP Suite Manuale Utente Pagina 50