Altera Quartus II Scripting Manuel d'utilisateur Page 369

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Chapter 3: Tcl Packages & Commands 3–239
project
© July 2013 Altera Corporation Quartus II Scripting Reference Manual
set_io_assignment
Usage
set_io_assignment [-comment <comment>] [-disable] [-io_standard <io standard>] -name
<name> [-remove] [-tag <data>] <value>
Options
-comment <comment>: Comment
-disable: Option to disable assignment
-io_standard <io standard>: Option to specify the io standard
-name <name>: Assignment name
-remove: Option to remove assignment
-tag <data>: Option to tag data to this assignment
<value>: Assignment value
Description
Sets or removes an io assignment.
Assignments created or modified by using this Tcl command are not saved to the Quartus II Settings File
(.qsf) unless you explicitly call one of the following two Tcl commands:
export_assignments
project_close (unless "-dont_export_assignments" is specified)
These two Tcl commands reside in the ::quartus::project Tcl package. You must save assignment changes
before you run Quartus®II command-line executables. Note, however, that the Tcl commands
"execute_flow" and "execute_module" (part of the ::quartus::flow Tcl package) automatically call
"export_assignments" before they run command-line executables.
Example
## Specify LVTTL as the IO Standard for OUTPUT_PIN_LOAD assignment
set_io_assignment 30 -name OUTPUT_PIN_LOAD -io_standard LVTTL
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