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von phoenixlaser
Do 08 Jan, 2004 4:03 am
Forum: Pangolin Lasershow Designer & Tools
Thema: QM2000 Coldfire D/A driver programming method - PIO or DMA?
Antworten: 1
Zugriffe: 2051

QM2000 Coldfire D/A driver programming method - PIO or DMA?

Hello,

I am wondering if anyone knows what style of driver is used for the QM2000's Coldfire D/A driver (that sends data to the AD669AR's and the TLC7225C's) , whether it uses PIO (Programmed I/O) or DMA (Direct Memory Access) ?

There is a significant difference in performance, such that DMA is ...

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