User`s guide

24 ? PCIS-LVIEW/95 Overview
9812 Allocate DMA
Memory
Contact Windows 95 system to allocate a block of
contiguous memory for DMA transfer.
9812 DMA Cont AD
Perform A/D conversion N times with DMA data
transfer.
9812 Free DMA
Memory
Deallocate a system DMA memory.
9812 Get Sample
Retrieve the index-th data in DMA buffer.
9812 Set Clock Rate
Specify the clock divider for ADC clock.
9812 Set Clock Source
Specify the ADC clock source.
9812 Set Trigger
Set up a trigger, including
the trigger mode, trigger
level (voltage), trigger source, trigger slope and
post trigger count.