I2C Serial Decode - Keysight Technologies InfiniiVision 2000 X Series User Manual

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I2C/SPI Triggering and Serial Decode

I2C Serial Decode

To set up the oscilloscope to capture I2C signals, see
page 343.
For I2C triggering setup see
NOTE
To set up I2C serial decode:
1 Press [Serial] to display the Serial Decode Menu.
2 Choose 7-bit or 8-bit address size. Use 8-bit address size to include the R/W
3 If the decode line does not appear on the display, press the [Serial] key to turn it
4 If the oscilloscope is stopped, press the [Run/Stop] key to acquire and decode
If the setup does not produce a stable trigger, the I2C signals may be slow enough that the
NOTE
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 •
•
•
348
bit as part of the address value, or choose 7-bit address size to exclude the
R/W bit from the address value.
on.
data.
"Interpreting I2C Decode"
"Interpreting I2C Lister Data"
"Searching for I2C Data in the Lister"
"I2C Triggering" on page 344.
on page 349
on page 350
on page 350
Keysight InfiniiVision 2000 X-Series Oscilloscopes User's Guide
"Setup for I2C Signals" on