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25
I2C/SPI Triggering and Serial Decode
To display I2C serial decode, see
N O T E
I2C Serial Decode
To set up the oscilloscope to capture I2C signals, see
Signals"
For I2C triggering setup see
N O T E
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
3 If the decode line does not appear on the display, press the [Serial] key
4 If the oscilloscope is stopped, press the [Run/Stop] key to acquire and
420
If don't care (0xXX) is selected for data, the data will be ignored.
The trigger will always occur on the 17th clock for 7- bit addressing
or 26th clock for 10- bit addressing.
c If you have selected a three- byte trigger, press the Data2 value softkey
and turn the Entry knob to select the 8- bit data pattern on which to
trigger.
on page 415.
R/W bit as part of the address value, or choose 7- bit address size to
exclude the R/W bit from the address value.
to turn it on.
decode data.
"I2C Serial Decode"
"I2C Triggering"
on page 416.
Agilent InfiniiVision 4000 X-Series Oscilloscopes User's Guide
on page 420.
"Setup for I2C
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