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Embedded Systems Troubleshooting with Oscilloscopes Slide 11

The scope is triggering on errors on this slide. It is set to capture multiple messages; typically twenty to twenty five messages are captured here, and it can be seen that in the very center of the display the scope has triggered on an error frame. By expanding the display, it is possible to see what caused the error. And in this case it is a non-monotonicity of the waveform; it is a glitch at the front end of that packet.

PTM Published on: 2012-06-20