Altera Mentor Verification IP Altera Edition AMBA AXI3/4T Manuel d'utilisateur télécharger pdf (Page 193)

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SystemVerilog Tutorials

Verifying a Master DUT

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

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September 2013

handle_write_data_ready() tasks to handle the handshake AWREADY, ARREADY and

WREADY signals, respectively.

The Advanced Slave API is capable of handling pipelined transactions. Pipelining can occur

when a transaction starts before a previous transaction has completed. Therefore, a write

transaction that starts before a previous write transaction has completed can be pipelined.

Figure 6-8 shows the write channel with three concurrent write_trans transactions, whereby the

get_write_addr_phase[2], get_write_data_burst[1] and execute_write_response_phase[0] are

concurrently active on the write address, data and response channels, respectively.

Similarly, a read transaction that starts before a previous read transaction has completed can be

pipelined. Figure 6-8 shows the read channel with two concurrent read_trans transactions,

whereby the get_read_addr_phase[1] and execute_read_data_burst[0] are concurrently active

on the read address and data channels, respectively.

Figure 6-8. Slave Test Program Advanced API Tasks

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Altera Mentor Verification IP Altera Edition AMBA AXI3/4T Manuel d'utilisateur Page 193

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