set_logic_dc - 2024.1 English

Vivado Design Suite Tcl Command Reference Guide (UG835)

Document ID
UG835
Release Date
2024-05-30
Version
2024.1 English

Sets logic dc for input ports and input pins

Syntax

set_logic_dc [‑quiet] [‑verbose] <objects>

Usage

Name Description
[-quiet] Ignore command errors
[-verbose] Suspend message limits during command execution
<objects> List of input ports and input pins

Categories

SDC, XDC

Description

Sets the specified input ports or input pins to a logic value of 'X', as unknown or don't care. This command is NOT supported in Synthesis.

Note: This command operates silently and does not return direct feedback of its operation.

Arguments

-quiet - (Optional) Execute the command quietly, returning no messages from the command. The command also returns TCL_OK regardless of any errors encountered during execution.
Note: Any errors encountered on the command-line, while launching the command, will be returned. Only errors occurring inside the command will be trapped.
-verbose - (Optional) Temporarily override any message limits and return all messages from this command.
Note: Message limits can be defined with the set_msg_config command.

<objects> - (Required) A list of the input ports and pins to be affected.

Examples

The following example sets the specified port to 'X':

set_logic_dc [get_ports reset]