Debug Serial Buses with S-Series Oscilloscopes

Decode serial buses in under 30 seconds!

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Learn how you can easily set up and begin decoding your serial buses and waveforms on your digital storage oscilloscope in under 30 seconds. This demo uses the Keysight S-Series mixed signal oscilloscope with an I2S bus as an example, but this process can be applied to many other serial buses.

The protocol decode options on the S-Series digital storage oscilloscopes include ARINC 429, CAN, CAN-FD, DVI, HDMI, eSPI, Ethernet 100BASE-TX, Ethernet 10BASE-T, Ethernet 10GBASE-KR, Fibre Channel, FlexRay, Generic 8b/10b, I2C, I2S, JTAG, LIN, MIL-STD 1553, MIPI D-PHY, MIPI I3C, MIPI M-PHY CSI-3, MIPI M-PHY DigRFv4, MIPI M-PHY LLI, MIPI M-PHY SSIC, MIPI M-PHY UFS, MIPI M-PHY UniPro, MIPI RFFE, PCI Express Gen 1, PCI Express Gen 2, RS-232/UART, SAS, SATA, SPI, SVID, USB 2.0, USB 3.0, USB 3.1, and USB PD. Check out the datasheet to see all the protocol decode options available.

See all Keysight Oscilloscopes:

[stevefriedl]

Protocol decode rocked my world. I've done RS232 serial for decades, used some really good gear, but when I got a DSOX1204G last December for "regular" electronics work, I found that the serial protocol decode was a game changer on a recent project. It's a kind of daisy-chained serial bus where multiple devices all listen to the same signal, and you have to get your addressing right ("Talking to pump #07") or the signals walk all over each other.

Debugging my software would have taken until the heat death of the universe to figure out otherwise.

Thank you, HP ^H^H Agilent ^H^H^H^H^H^H^N^ Keysight.

[fieldsofomagh]

I knew that Keysight would take the fun out of counting all the bits 😵.

[richardr.]

A Little bit more explanation on the test setup next time would be nice. How are the probes connected etc.

[fieldsofomagh]

Trust Keysight to take the fun out of counting all the bits 😵.

[RobeenaShepherd]

There now follows a joke for people who live in the UK...

Can this trigger when three buses come at once?

<tumble weed>

I'll get my coat

(I like the mouse control, what OS is it built on?)

[KetogenicGuitars]

Sound work on this video is very far from such professional level you would expect from this kind of company. It is almost unbearable to listen with proper hifi-system. I think you should rework this video.
If Keysight management cannot hear that extensive room echo combined with weird scratchy noise from her throat then you just simply have to buy proper average level speakers and headphones.

[martinkuliza]

on first glance, i thought to myself, ... cool video.
then i looked again and thought... hang on.. holy shit that's a big screen.

if you pay attention to her hand size and the size of the screen, you'll notice, what is that ??? a 17" monitor or something,
which begs the question, how much is the scope
i'm guessing around $30, 000 or so
is that about correct

[fieldsofomagh]

I knew that Keysight would take the fun out of counting all the bits 😵.