Read data from pci-6533 with external clock for Labwindows/CVI

[ErezN]

I need to read one bit from lets say port 0 of PCI-6533 using an external clock (10,8MHz). store it in the memory for additional process later on.

[Spencer S.]

Greetings,

CVI installs a couple of examples, which should help you develop this application fairly quickly. These examples are located in C:\Program Files\National Instruments\MeasurementStudio\CVI\samples\daq\di. If you want to perform a finite acquisition, then you will be concerned with "DIsingleBufPatternGenExtClock653x". If your acquisition is continuous, then you should examine "DIdoubleBufPatternGenExtClock653x". Both of these examples were designed to be used with the 6533 with an external clock. With pattern (clocked) input, you will acquiring an entire port of data, so you will need to process this to determine the state of the bit with which you are concerned.

Good luck with your application.

Spencer S.