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RIGOL
12-36
MSO8000 User Guide
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, press
Decode1
→
Bus Type
, then rotate the
multifunction knob
to select "FlexRay". Press down the knob to select it. You can
also press
Bus Type
continuously or enable the touch screen to select it.
1.
Enable or disable the bus
Press
Bus Status
continuously to enable or disable the decoding function.
2.
Quickly apply FlexRay trigger settings to FlexRay decoding
Press
Copy Trig
to copy the FlexRay trigger settings and apply them to FlexRay
decoding function (set the corresponding FlexRay decoding parameters
automatically). For analog channels, the threshold level settings will also be
copied.
3.
Set the source and the threshold
⚫
Press
Source
and rotate the multifunction knob
to select the desired
source channel, and then press down the knob to select it. You can also
press
Source
continuously or enable the touch screen to select it. The
available channels include CH1-CH4 and D0-D15.
⚫
When you select the analog channel (CH1-CH4), press
Threshold
, then
rotate the multifunction knob
or use the pop-up numeric keypad to set
the threshold of the source channel. When you modify the threshold of the
channel, a dotted line displaying the current threshold level is displayed on
the screen. The dotted line disappears in about 2 s after you stop modifying
the threshold.
4.
Signal setting
Press
Settings
to enter the signal setting menu.
⚫
Channel selection
Press
Channel
continuously to select a channel ("A" or "B") that matches
the actual FlexRay bus signal.
⚫
Specify the signal rate
Press
Baud
to open the baud rate list (2.5 Mbps, 5 Mbps, and 10 Mbps),
and select a preset baud rate that matches the actual FlexRay bus signal.
You can also press
Baud
continuously, then rotate the multifunction knob
at a small step value or use the pop-up numeric keypad to set the
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