Altera Mentor Verification IP Altera Edition AMBA AXI3/4T Manual do Utilizador descarregar pdf (Página 28)

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Mentor VIP AE AXI3/4 User Guide, V10.2b

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An AXI Transaction

September 2013

Figure 1-3. Slave Write Transaction Phases

The slave then executes a write response phase by calling the execute_write_response_phase()

task and completes its role in the write transaction.

AXI Read Transaction Master and Slave Roles

Note

The following description of a read transaction references the SystemVerilog BFM API

tasks. There are equivalent VHDL BFM API procedures that perform the same

functionality.

A read transaction is similar to a write transaction. The master initiates the read by calling the

create_read_transaction() and execute_transaction() tasks. The execute_transaction() calls the

the execute_read_addr_phase() task followed by the get_read_data_burst() task. The

get_read_data_burst() calls the get_read_data_phase() task for each phase (beat) of the burst

defined by a burst_length transaction field, as illustrated in Figure 1-4.

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