Measurement-computing Analyzer488 Manual do Utilizador descarregar pdf (Página 37)

Section 2 Getting Started

2.15

Example #1 Simple trigger word match

Match Word = LAG10, Match Count = 1, Trigger Delay = 0,

Post Count = 32767 and Trigger Complete Action is Stop

Record

and

Trigger

Enabled

Disar

Recor

and

Trigg

Word

Match

Trigger

Point

Buffer Location0 32k16K8K 24k

For the diagram shown above, the trigger event was defined as follows:

Match Word = LAG10 (Listen Address Group 10), Match Count =

1,Trigger Delay = 0, Post Count = 32767, and Trigger Complete Action =

Stop.

Once the trigger event was defined, recording and triggering were enabled.

The Analyzer488 began recording bus transactions, comparing each event

with the defined match word. As soon as the match word was found, the

Analyzer488 began counting and recording bus events until 32767 events

were recorded. At that time, recording was disabled. The diagram shows

that the event marked as the trigger point is stored in location 0 and the last

event recorded is stored in location 32767.

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Measurement-computing Analyzer488 Manual do Utilizador Página 37