Keysight Technologies DSO-X 2002A, User Manual

Page: 332 / 352

332 Keysight InfiniiVision 2000 X-Series Oscilloscopes User's Guide
24
I2C/SPI Triggering and Serial Decode
You can use the horizontal Zoom window for easier navigation of the acquired data.
See Also • “Interpreting SPI Decode" on page 332
• “Interpreting SPI Lister Data" on page 333
• “Searching for SPI Data in the Lister" on page 333
Interpreting SPI Decode
• Angled waveforms show an active bus (inside a packet/frame).
• Mid-level blue lines show an idle bus.
• The number of clocks in a frame appears in light-blue above the frame, to the
right.
• Decoded hexadecimal data values appear in white.
• Decoded text is truncated at the end of the associated frame when there is
insufficient space within frame boundaries.
• 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.