Agilent Technologies 4000 X-Series User Manual page 422

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I2C/SPI Triggering and Serial Decode
• Pink vertical bars indicate you need to expand the horizontal scale (and
• Red dots in the decode line indicate that more data can be displayed.
• Aliased bus values (undersampled or indeterminate) are drawn in pink.
• Unknown bus values (undefined or error conditions) are drawn in red.
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• Address values appear at the start of a frame.
• Write addresses appear in light- blue along with the "W" character.
• Read addresses appear in yellow along with the "R" character.
• Restart addresses appear in green along with the "S" character.
• Data values appear in white.
• "a" indicates Ack (low), "~a" indicates No Ack (high).
• Decoded text is truncated at the end of the associated frame when
there is insufficient space within frame boundaries.
run again) to see decode.
Scroll or expand the horizontal scale to view the data.
Agilent InfiniiVision 4000 X-Series Oscilloscopes User's Guide