Intel® Quartus® Prime Pro Edition User Guide: Scripting

ID 683432
Date 10/04/2021
Public

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3.1.7.12. make_connection (::quartus::eco)

The following table displays information for the make_connection Tcl command:

Tcl Package and Version

Belongs to ::quartus::eco

Syntax make_connection [-h | -help] [-long_help] [-from <output_net_name> ] -port <dest_node_port> [-tieoff <VCC|GND> ] -to <dest_node_name>
Arguments -h | -help Short help
-long_help Long help with examples and possible return values
-from <output_net_name> Source of the connection
-port <dest_node_port> Input port name of the destination node
-tieoff <VCC|GND> VCC or GND tieoff
-to <dest_node_name> Name of the destination node
Description

The make_connection command will connect the source signal to the destination block port. If the port has an existing connection, the command will remove the previous connection and connect it to the specified signal. make_connection expects 3 arguments: from - output net of the source block of the new connection, OR tieoff - tieoff value to - name of the destination block port - the input port name of the destination block Note that the changed path will be routed immediately. If the path contains a node that is created during ECO compilation, then the paths will be routed after the node is placed with place_node command.

Example Usage
make_connection -from top|a_out -to top|x -port D

This example will connect top|a_out to the D input port of node top|x. 

make_connection -tieoff VCC -to top|x -port D

This example will tie the D port of node top|x to VCC, either internally or via lcell. 
Return Value Code Name Code String Return
TCL_OK 0 INFO: Operation successful

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