Debugging Serial Buses in Embedded Designs

How to decode, debug & characterize serial buses

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Learn how to gain fast insight into your low speed serial bus behavior by applying trigger, decode, and analysis capabilities on your digital storage oscilloscope.

Learn more about Keysight oscilloscope serial decoding capabilities: http://bit.ly/2cZ5Te5

Agenda:

Serial vs parallel signals - 0:57

Industry trends and challenges - 1:40

Why use an oscilloscope to debug serial buses? - 2:55 -(Oscilloscope vs logic analyzer) -Example of serial decode in oscilloscopes - 4:16

Oscilloscope decode and trigger setup - 5:10 -How to set up serial decoding on an oscilloscope - 5:22 --How to set the correct trigger threshold - 6:32 --See more information with the lister - 4:23 --Packet view - 8:00 -How to up serial triggering - 8:35

Capturing many infrequent serial events 10:26 -Segmented memory and how to trigger on USB errors -Time interleaved trigger and decode setup - 12:59 -Mixed signal analysis of an RF burst - 13:49 -How to use an FFT 14:33 -Finding noise frequencies using an FFT - 15:10 --Interference from a wireless signal - 16:51 -USB enumeration Test - 18:15 -USB power testing - 20:56 -Zone triggering for intermittent signals - 21:56 -USB compliance testing - 23:17

Serial bus probing options - 25:32 -How to probe a serial bus -

Recap - 26:16

The InfiniiVision scopes we used - 26:28

More information - 26:46

Questions & Answers - 27:00

Twitter: @DanielBogdanoff https://twitter.com/DanielBogdanoff

Learn more about using oscilloscopes: http://oscilloscopelearningcenter.com

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The digital storage oscilloscope we used: https://keysight.com/find/3000T

Music by Lou Leaves the Room

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