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Altera_Forum
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17 years ago

DMA reading multiple PIOs

Hi, My system contains a total of twenty two (22) 16-bit I/O ports (Altera PIOs) that are used to read external (10 bit) ADCs. My system is running at 85MHz and my maximum sample rate should b...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
17 years ago

Yes I agree with Jake, You most likely want to to write your own custom io.

At the very least you can insure your ADC sampling is consistent. By the number of ADC's you're talking about, you could probably do some of your number crunching and pass the date to nios when it really needs it.

Pete