AR# 50577

ISE Simulator : How to set simulator resolution in ISE Project Navigator?

描述

How to set simulator resolution in ISE Project Navigator?

解决方案

For Verilog Design:

1. Open the ISIM Properties window by Right Clicking on "Simulate Behavioral Model".

2. Use the switch -timescale and set the resolution accordingly in Other Compiler Options. For example "-timescale 1ps/1fs"

Syntax:

-timescale <time_unit /time_precision>

This specifies the default timescale for Verilog modules that do not have an effective timescale.

The time_unit is the unit of measurement of delays.

The time_precision is the unit of accuracy.

Both time_unit and time_precision are entered as a number (1|10|100|...) followed by the unit (fs|ps|ns|us|ms|s).

The default timescale is 1ns/1ps.

For VHDL Design:

1. Open the ISIM Properties window by Right Clicking on Simulate Behavioral Model.

2. Use the switch -timeprecision_vhdl and set the resolution accordingly in Other Compiler Options. For example "-timeprecision_vhdl 1us"

Syntax:

-timeprecision_vhdl<time_precision>

This specifies the time precision (unit of accuracy) for all VHDL design units.

The time_precision is entered as a number (1|10|100|...) followed by the unit (fs|ps|ns|us|ms|s).

The default is 1ps.

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AR# 50577
日期	07/28/2014
状态	Active
Type	综合文章
器件	Spartan-3
Tools	ISE Design Suite - 14

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