Editing package properties
As with part properties, you can edit package properties in the library or on the schematic page. If you edit package properties on the schematic page, the changes affect only the parts in the project; you are, in effect, creating a new part that is not stored in a library.
Package properties are inherited by every part in the package and by every part placed on a schematic page. Packages do not support user-defined properties.
- Select and open a part in the part editor.
The Package Properties section in the Property Sheet pane appears. - Make your changes in this section and save the part.
You can change the number of parts in the package or the Section Count, PCB Footprint, and Part Reference Prefix. The changes are reflected in the part editor, but they are not permanent until you save the part.
To edit pin-specific package properties
- Select and open a part in part editor.
- In the Property Sheet pane, make the required changes in the Package Properties section and the Section Pins section.
- Click Apply Pin Changes button.
Capture updates pin property information and checks for duplicate pin numbers.
Using part or net properties in a package
Using properties, you can conveniently store part and net information. To change part properties on a single part (or on every instance of the part in a design), edit the part in the schematic page editor. To set part properties on every instance of the part that you place, edit the part in the part editor. If you want to make changes to a number of parts or nets, the Update Properties command on the Tools menu is a convenient method. You can use Update Properties to edit any properties except part value, part reference, and netname, and you can update the properties of parts in a design or in a library.
Before you run Update Properties, you create an update file. To identify the parts or nets you want to update, you specify an identifying property or combination of properties. For each identifier you use, you must create a separate update file and run Update Properties.
You can update references incrementally, so that previously assigned part references are not changed, or you can annotate unconditionally, changing all the parts across all the schematic pages processed.
Capture automatically selects to update either instances or occurrences depending upon the type of design. In general, you should update instances for FPGA and PSpice projects, and update occurrences for PCB and Schematic projects.
To delete a part in a package of a heterogeneous part
You can decrease the value of the section count to delete a section.
You cannot undo the deletion of part from a package. Once the section is deleted from a package, all information regarding the part is lost.
Viewing a Package
To view a section of the part, select the section number from the drop-down list in the lower left corner of the part editor window.
To switch to a different part in the package
Choose View – Next Part or View – Previous Part to switch to the next section of the part.
Alternatively, select the section number from the drop-down list in the lower left corner of the part editor window