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esantana's avatar
esantana
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1 year ago

GND connection restriction between Logic Lock regions

Hello, I am trying to realise a design with 3 logic regions (using logic lock). All of them are reserved regions (no connections between them). However, it is a conection outside the regions. It i...
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FvM's avatar
FvM
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1 year ago

Hi,
what does it mean? Is GND the name of a logic signal in your design? If it refers to logic 0, it doesn't involve actual connections.

esantana's avatar
esantana
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1 year ago

Hi @FvM,

It is not the name of a logic signal.

This signal "GND" is the "0" value that is loaded into different counters when their clear input is activated in normal operation (by different output signals from state machines, for example).

The content of the cell that drives this "GND" is shown in this image:

And the content of a destination cell is shown in this image:

What do you mean by "If it refers to logic 0, it doesn't involve actual connections"? Is it just a representation?

Thanks