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Altera_Forum
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15 years ago

Access-duration between reading 2 time from a perepherial

Hi Folks, i implemented a RTC with an resolution of 8 ns with an memory-mapped avalon-interface for reading the timestamps. if i read from this device with nios II/f 2 times, the difference...
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Altera_Forum
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15 years ago

We are seeing the same performance issue in our development (haven't optimized our code much but our performance is about 60 cycles per read).

Is this latency normal for avalon interface or is it that we did something wrong in the configuration of the SOPC system/Avalon interface?

Thanks,

Hua