Altera Quartus II Scripting Instrukcja Użytkownika Pobierz pdf (Strona 574)

3–444 Chapter 3: Tcl Packages & Commands

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Quartus II Scripting Reference Manual © July 2013 Altera Corporation

report_min_pulse_width

Usage

report_min_pulse_width [-append] [-detail <SUMMARY|FULL_PATH>] [-file <name>] [-nworst

<number>] [-panel_name <name>] [-stdout] <targets>

Options

-append: If output is sent to a file, this option appends the result to that file.

Otherwise, the file will be overwritten

-detail <SUMMARY|FULL_PATH>: Option to determine how much detail should be shown in the

report

-file <name>: Sends the results to an ASCII or HTML file. Depending on the extension

-nworst <number>: Specifies the number of pulse width checks to report (default=1)

-panel_name <name>: Sends the results to the panel and specifies the name of the new

panel

-stdout: Send output to stdout, via messages. You only need to use this option if you

have selected another output format, such as a file, and would also like to receive

messages.

<targets>: Registers or ports

Description

Reports the results of minimum pulse width and minimum period checks.

A minimum pulse width check verifies that a clock high ("High") or low ("Low") pulse sustains long

enough to qualify as a recognizable change in the clock signal at a register clock pin. A failed minimum

pulse width check indicates that the register may not recognize the clock transition. Each register in the

design is reported twice per clock for mininum pulse width checks: once for the high pulse and once for

the low pulse.

A minimum period check verifies that the clock period ("Period") is large enough for the device to operate.

Minimum period checks apply to I/O edge rate limits for clock ports and minimum period restrictions for

RAM and DSP registers. Output clock ports (e.g., source synchronous clocks) require generated clocks in

order to check I/O edge rate limits for those those ports.

The results of the minimum pulse width checks can be output to the Tcl console ("-stdout," the default), a

report panel ("-panel"), a file ("-file"), or a combination of the three.

Results are sorted from worst-case slack to best-case slack. To limit the number of checks reported, use the

"-nworst" option.

Results can be shown in summary ("-detail summary") or in detail ("-detail full_path," the default),

showing the path details for the clock arrival times and how they affect the actual pulse width.

The value of the targets is either a collection or a Tcl list of wildcards used to create a collection of the

appropriate type. The values used must follow standard Tcl or TimeQuest-extension substitution rules.

See the help for use_timequest_style_escaping for details.

Example

project_open top

create_timing_netlist

read_sdc

update_timing_netlist

# Report the worst 100 minimum pulse width checks

report_min_pulse_width -nworst 100

1 2 ... 569 570 571 572 573 574 575 576 577 578 579 ... 633 634

Komentarze do niniejszej Instrukcji

Brak uwag

Candy EVO 1494LW-84 Manuel de l'utilisateur (45 pages)

marque: Candy | Catégorie: Washers | Taille: 2.27 MB |

Table des matières

 

PARABÉNS!

ENHORABUENA



COMPLIMENTI

OUR COMPLIMENTS

ÍNDICE CAPÍTULO



CAPITOLO 1

CHAPTER 1

CAPÍTULO 1

K 1

902. 100. 150

CAPITOLO 3

CHAPTER 3

CAPÍTULO 3

K 3

VEDERE TARGHETTA DATI

CAPITOLO 5

CHAPTER 5

CAPÍTULO 5

K 5

  

" 

K 



BOTÃO MANTER ÁGUA

K "AQUAPLUS"

K "K

BOTÃO INÍCIO (START)

Alterar a programação após

CANCELANDO O PROGRAMA

K 

CAPÍTULO 7

TABELLA PROGRAMMI

CAPITOLO 7

 

K 7

TABLA DE PROGRAMAS

CHAPTER 7

TABLE OF PROGRAMMES

K 8

CAPITOLO 8

CAPÍTULO 8

CHAPTER 8

14’-30’-44’ “ tramite

CAPITOLO 9

CHAPTER 9

CAPÍTULO 9

K 9

CAPITOLO 10

CHAPTER 10

CAPÍTULO 10

K 10

CHAPTER 11

CAPITOLO 11

CAPÍTULO 11

K 11

LAVAGGIO

CAPITOLO 12

CHAPTER 12

CAPÍTULO 12

K 12

OBSERVAÇÃO:

MÁQUINA

CAPITOLO 13

K 13

CAPÍTULO 13

CHAPTER 13

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