Trigger Setup
3.
Push
Type
.
Type
Bus
Source
Bus
B1 (I2C)
Trigger On
Address
Address
07F
Direction
Write
Mode
Auto
& Holdoff
4.
Turn
Multipurpose a
to scroll through the
trigger type side menu until you select
Bus
.
5.
Push
Source Bus
and use the Source Bus
side menu to select the bus that you want
to trigger on.
6.
Push
Trigger On
and select the desired
trigger on feature from the side menu.
Parallel Bus Trigger (requires option MDO3MSO)
You can trigger on a binary or hex data value. Push
Data
on the lower menu and enter the parameters of interest with the
Multipurpose a
and
Multipurpose b
knobs.
ARINC429 Bus Trigger
You can trigger on
Word Start
,
Label
,
Data
,
Label and Data
,
Word End
, and
Error
.
If you have made a
Trigger On
selection of
Label
or
Label and Data
, push
Label
on the lower menu and enter a quali
fi
er
and
Label
values of interest.
NOTE.
When the
Trigger On
selection is
Label and Data
, the quali
fi
er for the
Label
value must be "EQUAL" and is locked
to this value. It is unlocked when the
Trigger On
conditions is changed.
If you have made a
Trigger On
selection of
Data
or
Label and Data
, push
Data
on the lower menu and enter a quali
fi
er
and
Data
values of interest.
If you have made a
Trigger On
selection of
Error
, push
Error Type
on the lower menu and select
Any Error
,
Parity
Error
,
Word Error
, or
Gap Error
.
I
2
C Bus Trigger
You can trigger on
Start
,
Repeated Start
,
Stop
,
Missing Ack
,
Address, Data
, or
Address/Data
.
If you are setting up an I
2
C trigger and have made a
Trigger On
selection of
Address
or
Address/Data
, push
Address
on the lower menu to access the I
2
C Address side menu.
Push
Addressing Mode
on the side menu and select
7 bit
or
10 bit
. Push
Address
on the side menu. Enter the address
parameters of interest with the
Multipurpose a
and
Multipurpose b
knobs.
Then push
Direction
on the lower menu and select the direction of interest:
Read
,
Write
, or
Read or Write
.
If you have made a
Trigger On
selection of
Data
or
Address/Data
, push
Data
on the lower menu to access the I
2
C
Data side menu.
96
MDO3000 Series Oscilloscopes User Manual
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Страница 10: ...Table of Contents iv MDO3000 Series Oscilloscopes User Manual...
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