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1.1.2.1. Specify Instance-Specific Constraints in Assignment Editor
1.1.2.2. Specifying Multi-Dimensional Bus Constraints
1.1.2.3. Specify I/O Constraints in Pin Planner
1.1.2.4. Plan Interface Constraints in Interface Planner and Tile Interface Planner
1.1.2.5. Adjust Constraints with the Chip Planner
1.1.2.6. Constraining Designs with the Design Partition Planner
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3.7.2. 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.