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Altera_Forum's avatar
Altera_Forum
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12 years ago

principle of acquisition f=10MHz signal with nios software

Hi, i'm working on nios and i would like to acquire a signal that f=10MHz. I've a clock turning on 100MHz. I've tried many ways such as getting signal from main function. But the frequency th...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
12 years ago

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There is LPM_SHIFTREG megafunction. You could make from your fast 10 MHz input signal an internal wider and slower one. Let's say 32 times wider and then main function with 300 kHz perhaps could do the job.

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Thanks. My signal has 8 bits so it's datarate is 8*10MHz=80MHz and i have no so many input pins to parallelize them all.