Flexray trigger, Flexray trigger -28 – RIGOL DS6000 Series User Manual

Page 120

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RIGOL

5 To Trigger the Oscilloscope

DS6000 User’s Guide

5-28

FlexRay Trigger


Trigger on the frame, symbol, error or TSS (Transmission Start Sequence) of FlexRay
bus. FlexRay is a kind of differential serial bus configured with three continuous
segments (namely packet header, payload and packet end). Its data transmission
rate is up to 10 Mbps. Each frame contains a static and dynamic segment and ends
with the bus idle time. The physical bus adopts unshielded twisted piar, but shielded
twisted pair can be used to improve EMC performance. The figure below shows the
frame format of FlaxRay protocol.


Trigger Type:
Press Type to select “FlexRay”. At this point, the trigger setting information as shown
in the figure below is displayed at the upper right corner of the screen.


Source Selection:
Press Source to specify data source for FlexRay bus. CH1, CH2, CH3 or CH4 can be
selected as the trigger source. The current signal source is displayed at the upper
right corner of the screen.

Baud:
Press Baud to set the signal rate to “2.5 Mb/s”, “5 Mb/s” or “10 Mb/s”.


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