Tektronix MSO3000 Series - Page 99

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 knob a to scroll through
the trigger type side menu until you select
Bus.
B1 (I2C)
5. Push Source Bus and turn multipurpose
knob a to scr
oll through the source bus side
menu until you select the bus that you want
to trigger on.
B2 (CAN)
6. Push Trigger On and select the desired
trigger on feature from the side menu.
Parallel Bus Trigger
You can trigger on a binary or hex data value. Push Data on the lower menu and enter the parameters of i nterest with
multipurpose knobs a and b.
I
2
C Bus Trigger
If you
areusingtheI
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 7bitor 10 bit. Push Address on the side menu. Enter the address
parameters of interest with multipurpose knobs a and b.
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.
Push Numb er of Bytes and enter the number of bytes using multipurpose knob a.
Push Addressing Mode on the s ide menu and select 7bitor 10 bit. Push Data on the side menu. Enter the data
parameters of interest with multipurpose knobs a and b.
For more information on the I
2
C address formats, refer to item 2 under Setting Up Bus Parameters.
SPI Bus Tr igger
If you are using the SPI bus trigger, you can trigger on SS Active, MOSI, MIS O ,orMOSI & MISO.
If you are setting up an SPI trigger and have made a Trigger On selection of MOSI or MISO, push Data on the lower menu,
push M O SI (or MISO) on the side menu, and enter the data parameters of interest with multipurpose knobs a and b.
MSO3000 and DPO 3000 Series Oscilloscopes User Manual 77