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Altera_Forum's avatar
Altera_Forum
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10 years ago

Latching asynchronous signal

Hi, I need to design a circuit for latching an asynchronous signal and later I need to do some processing on this signal. I am planning to use double registering of the signal before its used...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
10 years ago

Normal flip flops will do it, but if it's coming from an external source, you'll want to make sure it uses the fast IO registers in the IO pin. (this should be done automatically but you can force it via assignments or attributes)