Agilent Technologies InfiniiVision 4000 X-Series User Manual page 423

To set up the oscilloscope to capture SPI signals, use the Signals softkey
which appears in the Serial Decode Menu:
1 Press [Label] to turn on labels.
2 Press [Serial].
3 Press the Serial softkey, turn the Entry knob to select the desired slot
4 Press the Mode softkey; then, select SPI trigger type.
5 Press the Signals softkey to open the SPI Signals Menu.
6 Press the Clock softkey to open the SPI Clock Menu.
7 Press the MOSI softkey to open the SPI Master- Out Slave- In Menu.
Agilent InfiniiVision 4000 X-Series Oscilloscopes User's Guide
(Serial 1 or Serial 2), and press the softkey again to enable decode.
In the SPI Clock Menu:
a Press the Clock softkey; then, turn the Entry knob to select the
channel connected to the SPI serial clock line.
The CLK label for the source channel is automatically set.
b Press the Threshold softkey; then, turn the Entry knob to select the
clock signal threshold voltage level.
The threshold voltage level is used in decoding, and it will become
the trigger level when the trigger type is set to the selected serial
decode slot.
c Press the slope softkey (
the selected Clock source.
This determines which clock edge the oscilloscope will use to latch
the serial data. When Display Info is enabled, the graphic changes to
show the current state of the clock signal.
I2C/SPI Triggering and Serial Decode
) to select rising edge or falling edge for
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