FPGA #22 - Clock Domains, Metastability, and Synchronizers

[@DavidLatham-productiondave]

Ive been looking forward to this one. !

[@ChrisJackson-js8rd]

me too :)

[@JohnsBasement]

Thanks! This is a subtle but important tidbit!

[@jrkorman]

Reminds me of Don Lancaster's section in his "TTL Cookbook" where he talks about synchronizing external event signals to "internal" clocked logic. Still have the copy I purchased in 1975 when I was in USAF electronics school.

[@JohnsBasement]

It has been a while since i read that one! I aughtta go back and review his notes on it.

[@jamesross3939]

Great explanation!

[@JohnsBasement]

Thank you!

[@DataToTheZero]

What's with the smoke ring moving leftward and down from your head in the first seconds of the video?

[@JohnsBasement]

I didn't notice that very strange looking smoke ring thing until after I started uploading it. It is on the raw footage... I can see it in one of the earlier takes too. Until now I thought it must have been some light reflection off my glasses or something. But my head is not moving right for that. I wonder if some foolish filter thing got turned on???

[@saturdaysequalsyouth]

Video up, thumbs up. Simple as.

[@JohnsBasement]

Thanks!