Altera Quartus II Scripting Manuel d'utilisateur télécharger pdf (Page 501)

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101

Chapter 3: Tcl Packages & Commands 3–371

simulator

set_simulation_clock

Usage

set_simulation_clock -clock <clock_name> [-duty_cycle <duty_cycle>] [-offset <offset>]

-period <period in ns>

Options

-clock <clock_name>: Name of the clock signal

-duty_cycle <duty_cycle>: Duty cycle of the clock signal

-offset <offset>: Offset of the clock signal

-period <period in ns>: Period of the clock signal in nanoseconds

Description

Creates a continuous clock signal in the Simulator.

The default value for the duty cycle of the clock signal is 50 and for the offset is zero nanoseconds.

Example

project_open lelut

initialize_simulation -ignore_vector_file on -end_time 100ns

# Group "inDataa inDatab inDatac inDatad" under the name "input_bus"

group_simulation_signal -name input_bus {inDataa inDatab inDatac inDatad}

# Create continuous clock signal named "clk0" with duty_cycle = 50

# and offset = 25ns

set_simulation_clock -clock clk0 -period 10ns -duty_cycle 50 -offset 25

# Set value "1011" for the group of signals

force_simulation_value -node input_bus 1011

# Set value 0 for node "clk1"

force_simulation_value -node clk1 0

run_simulation -time 20ns

# Set value 1 for node "clk1"

force_simulation_value -node clk1 1

run_simulation

project_close

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Altera Quartus II Scripting Manuel d'utilisateur Page 501

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