Advantech PCI-1718 Manuel d'utilisateur télécharger pdf (Page 49)

41 Chapter 4

4.3.2 Pacer Trigger Mode with Interrupt

MUX Scan

Channel Control &

A/D Range

Control

Set Scan Channel

Set To Pacer

Trigger Mode and

Enable Device

Interrupt

w Base+0 1H

w Base+0 2H

w Base+ 09H

Set To Pacer

Trigger Mode To

Enable Trigger

Set Pacer Rate

Base+0 CH~

Base+0FH

Interrupt

Set to Software

Trigger Mode To

Disable Trigger.

w Base+ 09H

Set ISR

Enable System To

Accept Interrupt

Clear Device

Interrupt Request

Clear System

Interrupt Request

w Base+ 08H

Clear Device

Interrupt Request

Get Data

w Base+ 08H

r Base+ 00H

r Base+01H

ISR

Clear System

Device Interrupt

End of ISR

w Base+ 09H

w Base+0 2H

System Ready For

Data Acquisition

Set To Software

Trigger Mode To

Disable Trigger

Restore ISR

Disable Generated

Interrupt

w Base+0 9H

w Base+0 9H

Disable System

To Accept

Interrupt

Stop ISR

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