Forum Discussion

Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

Strange Nios latency

I have SOPC Nios system with onchip_mem. Program (resides in onchip_mem) works very slowly. In SignalTab I see strange Nios latency. Time between two simple writes is 48 Nios clock cycles! Wh...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

Read latency=1,

In onchip_mem.v I see: the_altsyncram.outdata_reg_a = "UNREGISTERED"

while in doc "On-chip memory components use synchronous, pipelined Avalon-MM slaves"

What is correct?