Altera Mentor Verification IP Altera Edition AMBA AXI4-Li Manuel d'utilisateur télécharger pdf (Page 149)

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VHDL API Overview

Operational Transaction Fields

Mentor Verification IP AE AXI4-Lite User Guide, V10.3

149

April 2014

*READY Handshake Signal Delay Transaction Fields

The transaction record contains a *_ready_delay transaction field for each of the five protocol

channels to store the delay value between the assertion of the *VALID and *READY

handshake signals for the channel. Table 7-3 specifies the *_ready_delay field corresponding to

the *READY signal delay.

Transaction Done

There is a transaction_done transaction field in each transaction that indicates when the

transaction has completed.

In a BFM test program, you call the respective BFM get_transaction_done() procedure to

investigate whether a read or write transaction has completed.

Table 7-3. Master and Slave *_ready_delay Fields

Signal Operational Transaction Field

AWREADY address_ready_delay

WREADY data_ready_delay

BREADY write_response_ready_delay

ARREADY address_ready_delay

RREADY data_ready_delay

1 2 ... 144 145 146 147 148 149 150 151 152 153 154 ... 412 413

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Altera Mentor Verification IP Altera Edition AMBA AXI4-Li Manuel d'utilisateur Page 149

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