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Altera_Forum's avatar
Altera_Forum
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15 years ago

About STP Stability

Hi! My question is about the stability of Signal Tap II, it seems to be strange. When i add signals to or subtract signals from my STP file, the whole program does not work at all! It's not every tim...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

Hello! Happy new year!

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Hi, Happy new year 2011 (before 2012 :-) )

When you add or remove signals in STP, you have to recompile the project.

Normally, you can't connect to an in situ STP if it doesn't match your STP file.

Perhaps, have a look at timing constraints. STP uses a jtag clock and there will be a cross clock ....

Do your design meet timing requirements ?

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I have recompiled my project, and all the timing requirement was met.

But as what i said, i used "maximum fan-out" constraint, and it will solve the problem sometime, but not every time. And I'm sure that every time all the timing requirement was met.