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Chapter 11 Protocol Decoding RIGOL
DS8000-R User Guide 11-29
or ASCII), displayed as a green patch.
âš« CRC (Cyclic Redundancy Check): expressed in Hex, displayed in
yellow-green. When errors occur, it is displayed as a red patch.
âš« ACK (Acknowledgement): when effective, displayed as a light yellow-green
patch; when errors (ACK is detected to be 1) occur, displayed as a red
patch.
âš« R (Remote frame): displayed as a tangerine patch.
âš« Stuff (Bit filling error): displayed as a red patch.
FlexRay Decoding (Option)
FlexRay is a type of differential serial bus configured with three consecutive
segments (i.g. header, payload, and trailer). The oscilloscope samples the FlexRay
signal at the specified sample position and judges each data point as logic "1" or
logic "0" according to the preset threshold level. The FlexRay decoding is required to
specify the signal type and baud rate.
In the decode setting menu, click Decode1 → Bus Type to select "FlexRay".
1. Enable or disable the bus
Click Bus Status continuously to enable or disable the decoding function.
2. Quickly apply FlexRay trigger settings to FlexRay decoding
Click Copy Trig to copy the FlexRay trigger settings and apply them to FlexRay
decoding function (set the corresponding FlexRay decoding parameters
automatically).
3. Set the source and the threshold
âš« Click Source to select the desired source channel. The available channels
include CH1-CH4.
Frame ID DLC Data CRC ACK
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