Keysight InfiniiVision HD3 Series - I2 C Triggering and Protocol Decode; I2 C Protocol Decode Setup

331
Keysight InfiniiVision HD3-Series Oscilloscopes
User's Guide
26 I2C Triggering and Protocol
Decode
I2C Protocol Decode Setup / 331
I2C Triggering / 333
Interpreting I2C Decode / 336
Interpreting I2C Lister Data / 337
Searching for I2C Data in the Lister / 337
I2C triggering and protocol decode is included with the Embedded Serial Analysis
license.
I2C Protocol Decode Setup
To enable I
2
C protocol decode:
1 Press [Protocol Decode].
Or:
a From the main menu, choose Analyze > Protocol Decode....
b In the Protocol Decode dialog box, select Enable.
c Select either the P1 or P2 tab (the oscilloscope can decode two protocols at
the same time), and select On.
2 From the Mode drop-down list, select I2C.
Below the Mode selection are vertical tabs for specifying Signals and Settings.
Signals I
2
C (Inter-IC bus) signals setup consists of connecting the oscilloscope to the
serial data (SDA) line and the serial clock (SCL) line and then specifying the input
signal threshold voltage levels.
The I2C protocol decode mode Signals subtab has these controls for setting up the
signal: