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101

8–10 User Guide Version 11.1 Altera Corporation

PCI Compiler October 2011

Testbench Specifications

mem_wr_64

The mem_wr_64 command performs a memory write of the data to the

address provided in the command. This command can perform

single-cycle or burst 64-bit memory write depending on the value of the

qword argument.

■ This command performs a single-cycle 64-bit memory write if the

qword value is one.

■ This command performs a burst-cycle 64-bit memory write if the

qword value is greater than one. In a burst transaction, the first data

phase uses the data value provided in the command. The

subsequent data phases use values incremented sequentially by one

from the data provided in the command argument.

Syntax:

mem_wr_64(address, data, qword)

Arguments:

address

Transaction address. This value must be in

hexadecimal radix.

data

Data used for first data phase. Subsequent

data phases use a value sequentially

incremented by one from this data. This value

must be in hexadecimal radix.

qword The number QWORDs written in a transaction.

A value of one indicates a single-cycle

memory write transaction. A value greater

than one indicates a burst transaction. This

value must be an integer.

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