Trigger Setup
USB Bus Trigger
You can trigger on
Sync
,
Reset
,
Suspend
,
Resume
,
End of Packet
,
Token (Address) Packet
,
Data Packet
,
Handshake
Packet
,
Special Packet
, or
Error
.
Ethernet Bus Trigger
You can trigger on
Start Frame Delimiter
,
MAC Addresses
,
MAC Length/Type
,
TCP/IPv4 Client Data
,
End of Packet
,
Idle
, or an
FCS (CRC) Error
. If you turn on
Q-(VLAN) Tagging
, you can also trigger on
MAC Q-Tag Control Information
.
MIL-STD-1553 Bus Trigger
You can trigger on
Sync
,
Command
,
Status
,
Data
,
Time (RT/IMG)
, or
Error
.
If you are setting up a MIL-STD-1553 trigger and have made a
Trigger On
selection of
Command
, push the lower-bezel
RT
Address
button to enter speci
fi
c values of
RT Address
to trigger on. Push the lower-bezel
Command Word Details
button
to enter the
T/R bit
value,
Subaddress/Mode
value,
Word Count/Mode Code
value, and
Parity
value.
If you are setting up a MIL-STD-1553 trigger and have made a
Trigger On
selection of
Status
, push the lower-bezel
RT-Address
button to enter speci
fi
c values of
RT Address
to trigger on. Push the lower-bezel
Status Word Bits
button to
enter values for
Message Error (bit 9)
,
Instr. (bit 10)
,
Service Req. (bit 11)
,
BCR (bit 15)
,
Busy (bit 16)
,
Subsystem Flag
(bit 17)
,
DBCA (bit 18)
,
Terminal Flag (bit 19)
and
Parity
.
If you are setting up a MIL-STD-1553 trigger and have made a
Trigger On
selection of
Data
, push the lower-bezel
Data
button to enter speci
fi
c
Data
values, and the
Parity
value.
If you are setting up a MIL-STD-1553 trigger and have made a
Trigger On
selection of
Time (RT/IMG)
, push the lower-bezel
Trigger When
button to set the trigger condition. Push the lower-bezel
Times
button to set the
Maximum
and
Minimum
times.
If you are setting up a MIL-STD-1553 trigger and have made a
Trigger On
selection of
Error
, push the lower-bezel
Error
Type
button to select the type of error to trigger on.
I
2
C, SPI, USB, Ethernet, CAN, LIN, and FlexRay Bus Trigger Data Matching
Rolling window byte matching for I
2
C, SPI, USB, and FlexRay.
To use a rolling window to trigger on data, you
de
fi
ne the number of bytes to match. Then the oscilloscope uses a rolling window to
fi
nd any match within a packet,
with the window rolling one byte at a time.
For example, if the number of bytes is one, the oscilloscope will attempt to match the
fi
rst byte, second byte, third, and so
on within the packet.
If the number of bytes is two, the oscilloscope will try to match any two consecutive bytes, such as one and two, two and
three, three and four, and so on. If the oscilloscope
fi
nds a match, it will trigger.
With FlexRay, USB, or Ethernet, obtain a rolling window match by setting the
Byte Offset
in the Data menu to
Don’t care
.
MDO4000 Series Oscilloscopes User Manual
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Страница 11: ...Table of Contents iv MDO4000 Series Oscilloscopes User Manual...
Страница 19: ...Preface xii MDO4000 Series Oscilloscopes User Manual...
Страница 215: ...Appendix C P6616 General Purpose Logic Probe Information 196 MDO4000 Series Oscilloscopes User Manual...