Specifications

t'
'rE5?tt
Specifying a
Trigger
Condition
To
capture
the
data
and
then
place
the
data
of
interest
in
the
center
of
the
display of the TIMING
WAVEFORMS
menu, you need to
ten
the
logic
analyzer
when to trigger. Since
the
first event of
interest
IS
when
the
LRAS IS asserted cnegative-gmng edge of RAS), you need
to tell
the
logic analyzer to
tngger
on a negative-going edge of
the
RAS
signal
Select the TIMING TRACE menu hy pressing
the
TRACE
key.
2_
Set
the
trigger
so
that
the
logic
analyzer
triggers on
the
negative-going edge of
the
RAS.
8_ Place
the
cursor on
the
Then
find
Edge
field
under
the
lahel RAS,
then
press SELECT.
b. Place
the
cursor on
the.
(period!
III
the
pop-up
and
press
SELECT
once Pressing
SELECT
once in
this
pop-up
changes
a period to I which indicates a negative-gomg edge
c, Place
the
cursor on
Done
and
press SELECT_ The pop-up
doses
and
a $ will be located in
this
field. The $ indicates
an
edge
has
been specified even though
it
can't
be shown
In
the
HEX hase.
![IRArl TEST 1- TIMING TI'RCE
5PECIFURTIOfl
Lab
e I
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ae 5 e
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FI
no
p
ettar
n
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e.
Using the Timing Analyzer
5-8
men
f1M
Edge
~c=J
e.
I