Intel® Quartus® Prime Pro Edition User Guide: Design Constraints
ID
683143
Date
9/26/2022
Public
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2.1.2.1. Specify Instance-Specific Constraints in Assignment Editor
2.1.2.2. Specifying Multi-Dimensional Bus Constraints
2.1.2.3. Specify I/O Constraints in Pin Planner
2.1.2.4. Plan Interface Constraints in Interface Planner and Tile Interface Planner
2.1.2.5. Adjust Constraints with the Chip Planner
2.1.2.6. Constraining Designs with the Design Partition Planner
4.7.2. Reserve Pins
Use the following Tcl command to reserve a pin:
set_instance_assignment -name RESERVE_PIN <value> -to <signal name>
Use one of the following valid reserved pin values:
- "AS BIDIRECTIONAL"
- "AS INPUT TRI STATED"
- "AS OUTPUT DRIVING AN UNSPECIFIED SIGNAL"
- "AS OUTPUT DRIVING GROUND"
- "AS SIGNALPROBE OUTPUT"
Note: You must include the quotation marks when specifying the reserved pin value.