Interpreting I2C Decode - Agilent Technologies InfiniiVision 3000 X-Series User Manual

If the setup does not produce a stable trigger, the I2C signals may be slow enough that the
N O T E
oscilloscope is AutoTriggering. Press the [Mode/Coupling] key, then press the Mode
softkey to set the trigger mode from Auto to Normal.
You can use the horizontal Zoom window for easier navigation of the
acquired data.
See Also
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Interpreting I2C Decode

• Angled waveforms show an active bus (inside a packet/frame).
• Mid- level blue lines show an idle bus.
• In the decoded hexadecimal data:
Agilent InfiniiVision 3000 X-Series Oscilloscopes User's Guide
"Interpreting I2C Decode"
"Interpreting I2C Lister Data"
"Searching for I2C Data in the Lister"
• Address values appear at the start of a frame.
• Write addresses appear in light- blue along with the "W" character.
• Read addresses appear in yellow along with the "R" character.
I2C/SPI Triggering and Serial Decode
on page 383
on page 384
on page 385
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