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Altera_Forum
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15 years ago

50 Mhz pulse capture in 20 Mhz domain

Hi, I am working on stratix device. I have a design requirement to capture a pulse signal from a 50 Mhz domain to 20 Mhz. Please let me know, how can i capture these pulse without any pulse i...
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Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

Here's a possible implementation for you.

Note that this particular implementation does not care about the clock in the originating domain of the pulse. The pulse itself is used as the clock to toggle a signal, and then the toggle signal is synchronized.

Cheers,

Dave