Добавил:
Upload Опубликованный материал нарушает ваши авторские права? Сообщите нам.
Вуз: Предмет: Файл:
dsd1-10 / dsd-07=Verilog / esug.pdf
Скачиваний:
94
Добавлен:
05.06.2015
Размер:
1.38 Mб
Скачать

Ambit BuildGates Synthesis User Guide

Viewing the Schematic Design

Table 5-3 Object Descriptions, continued

Object

Description

Default Color

Pin

Input Pin

Output Pin

Net Item

Blue; connected to yellow net

On-page

Connector

Net Name

Blue

Highlighted on the newly displayed page.

Off-page

Connector

Net Name

Blue

Highlighted on the newly displayed page.

Accessing Context-Sensitive Pop-Up Menus

The schematic viewer uses seven basic context-sensitive pop-up menus. The Commands pop-up menu is displayed by clicking the right mouse button in the background area of the schematic viewer. The other six pop-up menus are displayed by clicking the right mouse button on any of the basic objects described in Table 5-3.

The seven pop-up menus are defined in the following tables.

Table 5-4 Commands Pop-Up Menu

Menu Item

Action

 

 

Extract Fanin Cone

Extract a fanin cone for use in another module. Displays an extract

 

bar between the module bar and the schematic. For a description of

 

the task, refer to “Extracting Logic Cones” on page 131.

Extract Fanout Cone

Extract a fanout cone for use in another module. Displays an extract

 

bar between the module bar and the schematic. For a description of

 

the task, refer to “Extracting Logic Cones” on page 131.

Pin to Pin Path ...

Displays the pin-to-pin panel between the module bar and the

 

schematic (see Figure 5-2 for a sample panel). Specify the to-from,

 

from-to, or between pins for the desired object.

September 2000

114

Product Version 4.0

 

Ambit BuildGates Synthesis User Guide

 

 

Viewing the Schematic Design

 

 

 

Table 5-4 Commands Pop-Up Menu

 

 

 

 

Menu Item

Action

 

 

 

 

Generate all Pages

Force the generation of the page for the displayed module. If the

 

 

schematic is multipage and shows unsplit (unspl) in the module title

 

 

bar, the pages are regenerated and scaled to fit on multiple pages.

 

 

This command performs the same function as View–Schematic

 

 

Preferences–Paging–Page Size, except the paging is performed

 

 

only once and does not affect the schematic preferences or paging

 

 

on other modules.

 

Regenerate Current

Regenerate and center the current schematic page.

 

Page

 

 

Worst Path

Highlight the worst path on the displayed schematic.

 

Worst Endpoints:1:5

Highlight the worst endpoints on the displayed schematic.

 

 

 

 

Table 5-5 Instance Pop-Up Menu

Menu Item

Action

 

 

Show Instance:main

This item is displayed when the selected instance is hierarchical.

or new window

Displays the hierarchical content of the instance.

Change Cellref

Display a list of equivalent cells from which to choose a

 

replacement cell. Highlight the cell and click Ok.

Show HDL:main or

This item is displayed when the selected instance is hierarchical.

new window

Displays the HDL code of the instance in the editor window.

Show Properties...

Display the name, type, reference, and don’t modify setting of the

 

selected instance. Lists each pin and net connected to the

 

instance; double click on the pin or net to display additional

 

properties.

Schematic Cone...

Displays the cone in an expanded viewer window. Click the right

 

mouse button on the displayed objects to access the associated

 

pop-up menus.

Power

This menu item is displayed only if you have the Ambit

 

BuildGates synthesis low power option, in which case please

 

refer to the Envisia Low Power Synthesis User Guide.

September 2000

115

Product Version 4.0

Ambit BuildGates Synthesis User Guide

Viewing the Schematic Design

Table 5-5 Instance Pop-Up Menu, continued

Menu Item

Action

 

 

Fanin Cone:input/

Highlight the selected fanin cone input or output.

output list

 

Fanout Cone:input/

Highlight the selected fanout cone input or output.

output list

 

Worst Path To:input/

Highlight the selected worst path for selected input or output.

output list

 

Pin To Pin Path…

Displays the pin-to-pin panel between the module bar and the

 

schematic (see Figure 5-2 for a sample panel). Specify the to-

 

from, from-to, or between pins for the desired object.

Worst Path

Highlight the worst path on the selected instance.

Worst Endpoints:1:5

Highlight the worst endpoints on the selected instance.

Highlight Object

Highlight the selected object.

Unhighlight Object

Unhighlight the selected object.

 

 

Table 5-6 Net Pop-Up Menu

Menu Item

Action

 

 

Show Properties...

Display the name and “don’t modify” setting of the selected net.

 

Lists each pin, instance, and input/output associated with the net;

 

double click on the instance to display additional properties.

Power

This menu item is displayed only if you have the Ambit

 

BuildGates synthesis power license, in which case please refer to

 

the Envisia Low Power Synthesis User Guide.

Pan to Net Source

Highlight the selected net source and center it in the viewer. Lists

 

instances and ports that are sources of the highlighted net.

Pan to Net Sink

Highlight the selected net sink and center it in the viewer. Lists

 

instances and ports that are sinks of the highlighted net.

Worst Path

Highlight the worst path on the selected net.

Worst Endpoints:1:5

Highlight the worst endpoints on the selected net.

September 2000

116

Product Version 4.0

Ambit BuildGates Synthesis User Guide

Viewing the Schematic Design

Table 5-6 Net Pop-Up Menu, continued

Menu Item

Action

 

 

Highlight Object

Highlight the selected object.

Unhighlight Object

Unhighlight the selected object.

 

 

Table 5-7 Port Pop-Up Menu

Menu Item

Action

 

 

Show Properties...

Display the name, input/output, and net connection of the

 

selected port. Lists each pin and net associated with the port;

 

double click on the net to display additional properties.

Show Constraints...

List the name of the port, input/output type, assertion signal,

 

clock name, and early/late rise and fall times. For a description of

 

the task, refer to “Displaying Port Constraints” on page 133.

Power

This menu item is displayed only if you have the Ambit

 

BuildGates synthesis power option, in which case please refer to

 

the Envisia Low Power Synthesis User Guide.

Fanout Cone

Highlight the fanout cone associated with the selected port.

Pin To Pin Path…

Displays the pin-to-pin panel between the module bar and the

 

schematic (see Figure 5-2 for a sample panel). Specify the to-

 

from, from-to, or between pins for the desired object.

Worst Path

Highlight the worst path on the selected port.

Worst Endpoints:1:5

Highlight the worst endpoints on the selected port.

Highlight Object

Highlight the selected object.

Unhighlight Object

Unhighlight the selected object.

 

 

September 2000

117

Product Version 4.0

Ambit BuildGates Synthesis User Guide

Viewing the Schematic Design

Table 5-8 Bus and Bus Port Pop-Up Menu

Menu Item

Action

 

 

Bus Commands...

Display the bus command window (see Highlighting Path

 

Between Pins for a sample window and details on its use). Select

 

the bus component on the left; select the command in the right

 

column.

Worst Path

Highlight the worst path on the selected bus or bus port.

Worst Endpoints:1:5

Highlight the worst endpoints on the selected bus or bus port.

 

 

Table 5-9 Pin Pop-Up Menu

Menu Item

Action

 

 

Fanin Cone

Highlight the fanin cone associated with the pin.

Fanout Cone

Highlight the fanout cone associated with the pin.

Worst Path To

Highlight the worst path the worst timing path to the selected pin.

 

This path may or may not overlap with the worst timing path in the

 

current module.

Pin To Pin Path…

Displays the pin-to-pin panel between the module bar and the

 

schematic (see Figure 5-2 for a sample panel). Specify the to-

 

from, from-to, or between pins for the desired object.

Worst Path

Highlight the worst path for the worst timing path in the current

 

module. This path may or may not overlap with the worst timing

 

path to the selected pin.

Worst Endpoints:1:5

Highlight the worst endpoints on the selected pin.

Highlight Object

Highlight the selected object.

Unhighlight Object

Unhighlight the selected object.

 

 

September 2000

118

Product Version 4.0

Соседние файлы в папке dsd-07=Verilog