Forum Discussion

Julien's avatar
Julien
Icon for Occasional Contributor rankOccasional Contributor
7 years ago

NIOSII/e peripheral IO read access performance?

Hi, I am using a design that includes a NIOSII/e (the "e" is important here), that accesses a UART IP as an Avalon slave. Works fine, but I timed the duration of each individual word read access, an...
Julien's avatar
Julien
Icon for Occasional Contributor rankOccasional Contributor
7 years ago

Hi Anand,

I have tested reading from the onchip memory instead of the UART's FIFO, unfortunately it gives me the exact same result : reading one byte takes around 5µs

Can you please confirm the sample capture you provided was done with a NIOSII/e, not a NIOSII/f ?

I will try to use signal tap to capture the av_ld_waiting_data in my case.

Regards,

Julien