User Guide

Packaging the Parts in Your Design
283
Assigning Reference Designators Automatically
Use the Package selection from the Tools menu to package
individual parts into physical packages.
Packaging and assigning reference designators
1 From the Tools menu, select Package to display the
Package dialog box (shown on 10-282
).
2 In the Function area, click the Package and Assign
Reference Designators Only button.
3 In the Set Values for area, click one of the three option
buttons to specify which parts will have either
reference designator or package information, or both
assigned.
a Choose All Except User-Assigned to restrict the
function to those attributes that you have not
manually assigned.
b Choose Only Unpackaged to restrict the function
to values for reference designator, gate, and
package type attributes that have not been
assigned.
c Choose All to give the function unrestricted access
to all parts, overriding user-assigned attribute
values.
If you want to change the package class priorities, see
the procedure in the following section.
4 If you want to specify the number of the first reference
designator to be assigned other than the default value
of 1, type a value in the Starting Designator text box.
5 If you want to specify the amount to add to the
starting designator between pages of the schematic,
type a value in the Page Increment text box.
6 If you want to specify the amount to add to the
starting designator between levels of hierarchy, type a
value in the Level Increment text box.
7 Click OK.
Tools Menu
Note W
h
en you a
dd
parts to a
d
esign t
h
at
has already been sent to layout, be sure to
select the Only Unpackaged option in the
Package dialog box. This will create the
fewest changes to the netlist.