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Chapter 1: Agilent Technologies 16712A 128K Sample Logic Analyzer
The Trigger Tab
To Set Up a User-Defined Macro
1. In the
Trigger Functions
tab, select
User-level
at the end of the list.
2. Select the
Replace
or
Insert
button.
3. Select the new sequence level number button; choose
Edit
.
A Trigger Sequence Step window appears.
4. For state measurements, select the
While storing
button; choose the
resource term.
The values represented by this term will be stored in memory while the
logic analyzer is evaluating target system data against this step. The
default,
anystate
, stores everything.
Nostate
stores nothing.
5. Select the
Trigger on
button or the
Find
button; choose the resource
term.
6. In timing measurements, you have the choice of an occurrence counter or
duration. To use the secondary branch, you must set this to
occurs
.
7. Set the occurrence field or duration.
8. If you want to use a loop or jump:
a. Select the
Else on
button; select resource term.
b. Select the
goto level
option button; choose a sequence level.
9. If you want to use a timer:
a. In the appropriate sequence level, start the timer by selecting the
Off
option button and choosing
Start
. Timers do not start automatically.
b. In the
Timer
tab, assign a time value you want to check against.
c. To check the value, assign the timer to a resource field either on its
own, or as part of a combination.
For more information on the functions available in a user-defined step,
refer to:
•
“Defining Resource Terms” on page 92
•
“Setting Pattern Durations and Occurrence Counts” on page 91 (Timing
Only)
•
“Using Occurrence Counters” on page 91 (State Only)
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