Agilent Technologies 4000 X-Series User Manual page 436

26
I2S Triggering and Serial Decode
6 For the SCLK (serial clock), WS (word select), and SDATA (serial data)
7 Press the
8 Press the Bus Config softkey to open the I
9 Press the Word Size softkey. Turn the Entry knob to match the
10 Press the Receiver softkey. Turn the Entry knob to match the receiver
11 Press the Alignment softkey; then, turn the Entry knob to select the
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signals:
a Connect an oscilloscope channel to the signal in the device under
test.
b Press the SCLK, WS, or SDATA softkey; then, turn the Entry knob to
select the channel for the signal.
c Press the corresponding Threshold softkey; then, turn the Entry knob
to select the signal threshold voltage level.
Set the threshold levels for the SCLK, WS, and SDATA signals to the
middle of the signals.
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.
The SCLK, WS, and SDATA labels for the source channels are
automatically set.
Back/Up key to return to the Serial Decode Menu.
and display a diagram showing WS, SCLK, and SDATA signals for the
currently specified bus configuration.
transmitter word size of the device under test (from 4 to 32 bits).
word size of the device under test (from 4 to 32 bits).
desired alignment of the data signal (SDATA). The on- screen diagram
changes with your selection.
Agilent InfiniiVision 4000 X-Series Oscilloscopes User's Guide
2
S Bus Configuration Menu