User`s guide

220 5000 Series Oscilloscope User’s Guide
5 Displaying Data
• White lines show an idle bus.
• Blue rectangles show an active bus (inside a packet/frame).
• In the decoded hexadecimal data:
• 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 and may extend beyond the
frame if an idle period follows.
• “A” indicates Ack (low), “~A” indicates No Ack (high).
• Red dots in the decode line indicate that more data can be
displayed. Scroll or expand the horizontal scale to view the
data.
• Aliased bus values (undersampled or indeterminate) are
drawn in red.
• Unknown bus values (undefined or error conditions) are
drawn in red.