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[TetraMAX] How to mask 1 or 0 a only input of bidirection pin

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qkrfkaghl

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I want to mask a value 0 or 1 to only input of bidirecrional port not output of bid.

Is it possible?

I searched user guide and other article on internet,

and only that I found commands are add_capture_mask & add_net_connection.

those could mask but not mask only input.

I am a student, so it takes much time for me to find correct command.

so if you have any experience please tell me anything.

Thank you for your answer in advance.
 

SO do you want to constraint to 1? Do you want to constrain port such that bidi port will work as only input port? Please clarify.
 

Yes, I want to control of bidirectional pin when it woks as only input port.

and 1 or 0 doesn't matter.

Please let me know how to control.

I appreciate your trying to help.
 

You just need to check that pad_enable is coming from which logic. If you can able to solve bi0di pad issue at logic stage, thn it is more preferable.
If pad enable pin is coming from top level than you can control through top level itself.
 

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