Altera Quartus II Scripting Manuale Utente Scaricare il pdf (Pagina 430)

3–300 Chapter 3: Tcl Packages & Commands

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Quartus II Scripting Reference Manual © July 2013 Altera Corporation

remove_clock_uncertainty

Usage

remove_clock_uncertainty -from <from_clock> -to <to_clock>

Options

-from <from_clock>: Valid destinations (string patterns are matched using Tcl string

matching)

-to <to_clock>: Valid destinations (string patterns are matched using Tcl string

matching)

Description

Removes clock uncertainty from a collection of clocks to a collection of clocks. The source and destination

clocks can be any arbitrary collection of clocks. This command removes all uncertainty between two

clocks. If there does not exist uncertainty between two clocks specified in remove_clock_uncertainty, the

command does nothing for those two clocks but continues to attempt to remove uncertainty between other

clocks specified.

The values of the -from and -to options are either collections or a Tcl list of wildcards used to create

collections of appropriate types. The values used must follow standard Tcl or TimeQuest-extension

substitution rules. See the help for use_timequest_style_escaping for details.

Example

set_clock_uncertainty -setup -rise_from {clk1 clk2} -fall_to {clk3 clk4} \

200ps

set_clock_uncertainty -from {clk5 clk6} -to {clk7 clk8} 300ps

remove_clock_uncertainty -from {clk3 clk5} -to {clk4 clk7}

1 2 ... 425 426 427 428 429 430 431 432 433 434 435 ... 633 634

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Table des matières

Use and Care Manual

1

Preference

1

Cooktop

1

Important Safety Instructions

3

Getting to Know Your Cooktop

6

Setting Up Your Cooktop

7

Operating Your Cooktop

8

Available Accessories

9

Care and Cleaning

10

Before You Call for Service

12

Warranty and Service

13

BUSINESS REPLY MAIL

15

WARRANTY INFORMATION

16

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