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SDS6000A Series Digital Oscilloscope User Manual
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I2S Trigger and Serial Decode
This section covers triggering and decoding I2S signals. Please read the
following for more details: "I2S Signal Settings", "I2S Trigger" and "I2S Serial
Decode".
17.9.1 I2S Signal Settings
Connect the WS, BCLK, and Data signals to the oscilloscope, set the mapping
relation between channels and signals, and then set the threshold level of each
signal. The process of specifying the source and threshold is similar to "I2C
Signal Settings"
BCLK
In addition to specifying the source and the threshold level, BCLK signals also
require the specification of the Edge Select.
Rising– Data latched on the rising edge of the clock.
Falling– Data latched on the falling edge of the clock.
WS
In addition to specifying the source and the threshold level, WS signals also
require the specification of the Left CH.
Low– Select the left channel when WS is low and the right channel when
WS is high.
High– Select the right channel when WS is low and the left channel when
WS is high.
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