Keysight Technologies DSO-X 2002A, User Manual

Page: 333 / 352

I2C/SPI Triggering and Serial Decode
24
Keysight InfiniiVision 2000 X-Series Oscilloscopes User's Guide 333
• Unknown bus values (undefined or error conditions) are drawn in red.
Interpreting SPI Lister Data
In addition to the standard Time column, the SPI Lister contains these columns:
• Data — data bytes (MOSI and MISO).
Aliased data is highlighted in pink. When this happens, decrease the horizontal
time/div setting and run again.
Searching for SPI Data in the Lister
The oscilloscope's search capability lets you search for (and mark) certain types of
SPI data in the Lister. You can use the [Navigate] key and controls to navigate
through the marked rows.
1 With SPI selected as the serial decode mode, press [Search] .
2 In the Search Menu, press the Search softkey; then, turn the Entry knob to select
the serial slot (Serial 1 or Serial 2) on which the SPI signals are being decoded.
3 Press Search ; then, select from these options:
• Master-Out, Slave-In (MOSI) Data — for searching MOSI data.