455
Keysight InfiniiVision 3000T X-Series Oscilloscopes
User's Guide
29 I2S Triggering and Serial
Decode
Setup for I2S Signals / 455
I2S Triggering / 458
I2S Serial Decode / 461
I2S triggering and serial decode requires the AUDIO license that you get by
purchasing the DSOX3AUDIO upgrade.
Setup for I2S Signals
I
2
S (Inter-IC Sound or Integrated Interchip Sound) signals setup consists of
connecting the oscilloscope to the serial clock, word select, and serial data lines
and then specifying the input signal threshold voltage levels.
To set up the oscilloscope to capture I2S signals:
1 Press [Serial].
2 Press the Serial softkey, turn the Entry knob to select the desired slot (Serial 1 or
Serial 2), and press the softkey again to enable decode.
3 Press the Mode softkey; then, select I2S trigger type.
4 Press the Signals softkey to open the I
2
S Signals Menu.
Only one I2S serial bus can be decoded at a time.
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