estimate on using extended memory

Started by Li Hao April 5, 2003
Hi, I am trying to estimate whether I can run a codec code out of extended
program space of C5409(100MHz). The extended memory chip is 12ns. And the
code needs to finish processing 80 16bit samples within around 1ms.

I am not asking people to do calculation for me. Instead, I want to know how
people do their estimations like this. Or put it in another way, how do
people determine how fast of an external memory chip to use for a timely