Altera Mentor Verification IP Altera Edition AMBA AXI3/4T Uživatelský manuál stáhnout pdf (Strana 54)

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

SystemVerilog AXI3 and AXI4 Master BFMs

Master BFM Configuration

September 2013

A master BFM has configuration fields that you can set with the set_config() function to

configure timeout factors, slave exclusive support, and setup and hold times, etc. You can also

get the value of a configuration field using the get_config() function. The full list of

configuration fields is described in Table 3-2 below.

Table 3-2. Master BFM Configuration

Configuration Field (Note: ** = AXI or AXI4) Description

Timing Variables

**_CONFIG_SETUP_TIME The setup-time prior to the active edge

of ACLK, in units of simulator time-

steps for all signals.

Default: 0.

**_CONFIG_HOLD_TIME The hold-time after the active edge of

ACLK, in units of simulator time-steps

for all signals.

Default: 0.

**_CONFIG_MAX_TRANSACTION_TIME_FACTOR The maximum timeout duration for a

read/write transaction in clock cycles.

Default: 100000.

**_CONFIG_BURST_TIMEOUT_FACTOR The maximum delay between the

individual phases of a read/write

transaction in clock cycles. Default:

10000.

**_CONFIG_MAX_LATENCY_AWVALID_

ASSERTION_TO_AWREADY