SPI Triggering and Serial Decode
28
Keysight InfiniiVision 1200 X-Series and EDUX1052A/G Oscilloscopes User's Guide
303
7
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.
