Trigger Setup
Trigger Type
Trigger Conditions
Video
Trigger on speci
fi
ed
fi
elds or lines of a composite video
signal. Only composite signal formats are supported.
Trigger on NTSC, PAL, or SECAM. Works with
Macrovision signals.
With the DPO4VID module, trigger on a variety of HDTV
video standard signals, as well as custom (non-standard)
bilevel and trilevel video signals with 3 to 4,000 lines.
Bus
Trigger on various bus conditions.
I
2
C requires a DPO4EMBD module.
SPI requires a DPO4EMBD module.
CAN requires a DPO4AUTO or DPO4AUTOMAX
module.
RS-232, RS-422, RS-485, and UART require a
DPO4COMP module.
LIN requires either a DPO4AUTO or a DPO4AUTOMAX
module.
FlexRay requires a DPO4AUTOMAX module.
Audio requires a DPO4AUDIO module.
USB requires a DPO4USB module.
Ethernet requires a DPO4ENET module.
MIL-STD-1553 requires a DPO4AERO module.
(See page 15,
Triggering on Buses
You can use your oscilloscope to trigger on multiple data buses, if you have the appropriate application module installed. The
MDO4000 Series can trigger on parallel buses without an application module. The oscilloscope can display both the physical
layer (as analog waveforms) and the protocol level information (as digital and symbolic waveforms).
To set up the bus trigger:
1.
If you have not already de
fi
ned your bus
using the front-panel
B1
,
B2
,
B3
, or
B4
buttons, do so now. (See page 60,
86
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