User Manual

RIGOL 5 To Trigger the Oscilloscope
DS4000 User’s Guide
5-30
FlexRay Trigger
Trigger on the specified 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 set CH1 to CH4 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 “2.5Mb/s”, “5Mb/s” or “10Mb/s”.