446 Keysight InfiniiVision 3000T X-Series Oscilloscopes User's Guide
28 I2C/SPI Triggering and Serial Decode
4 Press the Signals softkey to open the SPI Signals Menu.
5 Press the Clock softkey to open the SPI Clock Menu.
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 ( ) to select rising edge or falling edge for 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.
6 Press the MOSI softkey to open the SPI Master-Out Slave-In Menu.
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