Setup For I S Signals - Agilent Technologies 7000B Series User Manual

2
12 I S Triggering and Serial Decode
2
Setup for I S Signals
An I
consists of connecting the oscilloscope to the serial clock, word select, and
serial data lines.
To set up the oscilloscope to capture I
Bus Config softkeys which appear in both the Trigger Menu and the Serial
Decode Menu:
1 Press [Label] to turn on labels.
2 Press [Trigger]; then, select the I
3 Press Signals to open the I
4 Connect an oscilloscope channel to the SCLK (serial clock) line in the
5 Connect an oscilloscope channel to the WS (word select) line in the
302
2
S (Inter- IC Sound or Integrated Interchip Sound) trigger setup
A diagram appears showing WS, SCLK, and SDATA signals for the
currently specified bus configuration.
device under test. (If the channel is not already switched on, switch it
on now, and return to this menu by pressing [Trigger] > Signals.)
Rotate the Entry knob to set the SCLK clock channel softkey to the
SCLK channel.
As you rotate the Entry knob the SCLK label for the source channel is
automatically set and the channel you select is shown in the
upper- right corner of the display next to "I
device under test, switch the channel on, then set the WS channel
softkey to that channel.
2
S signals, use the Signals and
2
S trigger type.
2
S Signals Menu.
2
S".
InfiniiVision 7000B Series Oscilloscopes User's Guide