Altera Mentor Verification IP Altera Edition AMBA AXI3/4TM - Manual (Page 28)

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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 .