Interpreting I
• Angled waveforms show an active bus (inside a packet/frame).
• Mid- level blue lines show an idle bus.
• In the decoded hexadecimal data:
• Red dots in the decode line indicate that more data can be displayed.
InfiniiVision 7000B Series Oscilloscopes User's Guide
2
C Decode
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Address values appear at the start of a frame.
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Write addresses appear in light- blue along with the "W" character.
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Read addresses appear in yellow along with the "R" character.
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Restart addresses appear in green along with the "S" character.
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Data values appear in white.
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"A" indicates Ack (low), "~A" indicates No Ack (high).
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Decoded text is truncated at the end of the associated frame when
there is insufficient space within frame boundaries.
Scroll or expand the horizontal scale to view the data.
2
I
C/SPI Triggering and Serial Decode
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