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Altera_Forum
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14 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...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

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(Is there any specific Altera resource for synchronization)

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Yes, it is a pity that there is no vendor support for these things. Clock Domain Crossing is something every 'beginner' will stumble over initially. Then he (or she) makes his (or her) own set of functions/modules to handle this. At least that is what I did. This is essentially re-inventing the wheel as there are only a very limited number of cases to solve.