352 Keysight InfiniiVision HD3-Series Oscilloscopes User's Guide
28 SPI Triggering and Protocol Decode
• Pink vertical bars indicate you need to expand the horizontal scale (and run
again) to see decode.
• Red dots in the decode line indicate that there is data that is not being
displayed. Scroll or expand the horizontal scale to view the information.
• Aliased bus values (undersampled or indeterminate) are drawn in pink.
• 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 (see
"Searching Lister Data" on page 121). Then, you can use
the navigation controls to navigate through the marked rows (see
"Navigating the
Time Base" on page 52).
The Search dialog box controls unique to the PN: SPI search type selection are:
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