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VHDL - default for last event time

 
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Old 08-28-2008, 12:28 AM   #1
Default default for last event time


Hi,

What is the default value for the last_event attribute? For example
what will be s'last_event when previously no action performed on "s"?
In modelsim it seems it is a very big value.


JohnSmith
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Old 08-28-2008, 02:02 AM   #2
kennheinrich@sympatico.ca
 
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Default Re: default for last event time
On Aug 27, 7:28*pm, JohnSmith <csnew...@gmail.com> wrote:
> Hi,
>
> What is the default value for the last_event attribute? For example
> what will be s'last_event when previously no action performed on "s"?
> In modelsim it seems it is a very big value.


If there's no such event, it's supposed to return TIME'HIGH which is
technically undefined (implementation dependent), although it's often
2^31-1 ns.

- Kenn


kennheinrich@sympatico.ca
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