Application E xamp les
2. Select your model of oscilloscope.
3. Follow the on-scre en instructions, and then
click Next.
4. See your Tektronix Logic Analyzer
documentation for more information on
correlating data between your Tektronix
oscilloscope and logic analyzer.
Tracking Down Bus Anomalies
In this example, you are testing your new I
2
C circuit. Something is not working. You tell the m a s ter IC to send a message to the
slave IC. Then you expect to receive data back and an LED to light. The light never goes on. Where in the ten or so commands that
were sent out did the problem occur? Once you locate the p roblem location, how do you determine what went wrong?
You can use you r oscilloscope, with its serial triggering and long-record length management features, to tra ck down the problem in
both the physical layer an d in the protocol layer of the bus.
304 MSO4000 and DPO4000 Series Oscilloscopes User Manual
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