User Manual

Table Of Contents
Trigger Setup
3. Push Type.
Type
Bus
Source
Bus
B1 (I2C)
Trigger On
Address
Address
07F
Direction
Write
Mode
Auto
& Holdoff
4. Turn Multipur
pose 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 Trigge
rOnand 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 Multipu rpo se b knobs.
ARINC429 Bus Trigger
You can trigger on Word Start, Label, Data, Label and Data, Word End, and E rror.
If you have made a Trigger On selection of Label or Label and D a ta , push Lab el on the lower menu and enter a qualier
and Lab
el values of interest.
NOTE. When the Trigger On selection is Label and Data, the qualier for the Label value must be "EQUAL" and is locked
to this value. It is unlocked when the Trigger On conditions is changed.
If yo
u have m ade a Trigger On selection of Data or Label and Data, push Data on the lower menu and enter a qualier
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,orGap Error.
I
2
C
Bus Trigger
You can trigger on Start, Repeated Start, Stop, Missing Ack, Address, Data,orAddress/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 7bitor 10 bit .PushAddress 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,orRead 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